[llvm] 6e074a8 - [NFC][LoopIdiom] Improve test coverage for 'left-shift-until-bittest' pattern
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 24 10:23:39 PST 2020
Author: Roman Lebedev
Date: 2020-12-24T21:20:51+03:00
New Revision: 6e074a8324d86af93930001e4bdcaff8ebc9890e
URL: https://github.com/llvm/llvm-project/commit/6e074a8324d86af93930001e4bdcaff8ebc9890e
DIFF: https://github.com/llvm/llvm-project/commit/6e074a8324d86af93930001e4bdcaff8ebc9890e.diff
LOG: [NFC][LoopIdiom] Improve test coverage for 'left-shift-until-bittest' pattern
In particular, add tests with no-wrap flags on shift,
a test where %x is not `1`, and ensure that tests where %bit
is a constant bitwidth-1, or is not a constant bitwidth-1
test both liveout values.
Added:
Modified:
llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll b/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll
index 0a44c7588f0c..ac328a507c08 100644
--- a/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll
+++ b/llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll
@@ -149,51 +149,126 @@ end:
ret i16 %x.curr
}
-define i32 @p2_constant_mask_24thbit(i32 %x) {
-; LZCNT-LABEL: @p2_constant_mask_24thbit(
+; We don't particularly care whether %x.curr or %x.curr will live-out.
+define i32 @p2_
diff erent_liveout(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @p2_
diff erent_liveout(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], 33554431, [[DBG46:!dbg !.*]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG46]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG46]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG46]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 24, [[X_MASKED_LEADINGONEPOS]], [[DBG46]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG46]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG46]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG46]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG47:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG47:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META42:metadata !.*]], metadata !DIExpression()), [[DBG47]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG48:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG48]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG48]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG48]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG48]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG48]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG48]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG48]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG48]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG48]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG49:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG46]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG46]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META42:metadata !.*]], metadata !DIExpression()), [[DBG46]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], 16777216, [[DBG48:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META43:metadata !.*]], metadata !DIExpression()), [[DBG48]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG49:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META44:metadata !.*]], metadata !DIExpression()), [[DBG49]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG50:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META45:metadata !.*]], metadata !DIExpression()), [[DBG50]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG51:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG51]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG51]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG48]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG48]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META43:metadata !.*]], metadata !DIExpression()), [[DBG48]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG50:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META44:metadata !.*]], metadata !DIExpression()), [[DBG50]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG51:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META45:metadata !.*]], metadata !DIExpression()), [[DBG51]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG52:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META46:metadata !.*]], metadata !DIExpression()), [[DBG52]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG53:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG53]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG53]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG46]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG52:!dbg !.*]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG52]]
+; LZCNT-NEXT: ret i32 [[X_NEXT_LCSSA]], [[DBG54:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p2_constant_mask_24thbit(
+; NOLZCNT-LABEL: @p2_
diff erent_liveout(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG46:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG47:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META42:metadata !.*]], metadata !DIExpression()), [[DBG47]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG48:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG47:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META42:metadata !.*]], metadata !DIExpression()), [[DBG47]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 16777216, [[DBG48:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META43:metadata !.*]], metadata !DIExpression()), [[DBG48]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG49:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META44:metadata !.*]], metadata !DIExpression()), [[DBG49]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG50:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META45:metadata !.*]], metadata !DIExpression()), [[DBG50]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG51:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG49:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META43:metadata !.*]], metadata !DIExpression()), [[DBG49]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG50:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META44:metadata !.*]], metadata !DIExpression()), [[DBG50]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG51:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META45:metadata !.*]], metadata !DIExpression()), [[DBG51]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG52:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META46:metadata !.*]], metadata !DIExpression()), [[DBG52]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG53:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG47]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG52:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG52]]
+; NOLZCNT-NEXT: ret i32 [[X_NEXT_LCSSA]], [[DBG54:!dbg !.*]]
+;
+entry:
+ %bitmask = shl i32 1, %bit
+ br label %loop
+
+loop:
+ %x.curr = phi i32 [ %x, %entry ], [ %x.next, %loop ]
+ %x.curr.bitmasked = and i32 %x.curr, %bitmask
+ %x.curr.isbitunset = icmp eq i32 %x.curr.bitmasked, 0
+ %x.next = shl i32 %x.curr, 1
+ br i1 %x.curr.isbitunset, label %loop, label %end
+
+end:
+ ret i32 %x.next ; not %x.curr
+}
+
+; Even both of them can liveout
+define void @p3_constant_mask_24thbit(i32 %x, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p3_constant_mask_24thbit(
+; LZCNT-NEXT: entry:
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], 33554431, [[DBG61:!dbg !.*]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG61]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG61]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG61]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 24, [[X_MASKED_LEADINGONEPOS]], [[DBG61]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG61]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG61]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG61]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG62:!dbg !.*]]
+; LZCNT: loop:
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG61]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG61]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META57:metadata !.*]], metadata !DIExpression()), [[DBG61]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], 16777216, [[DBG63:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META58:metadata !.*]], metadata !DIExpression()), [[DBG63]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG64:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META59:metadata !.*]], metadata !DIExpression()), [[DBG64]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG65:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META60:metadata !.*]], metadata !DIExpression()), [[DBG65]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG66:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG66]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG66]]
+; LZCNT: end:
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG61]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG65]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG67:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG68:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG69:!dbg !.*]]
+;
+; NOLZCNT-LABEL: @p3_constant_mask_24thbit(
+; NOLZCNT-NEXT: entry:
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG61:!dbg !.*]]
+; NOLZCNT: loop:
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG62:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META57:metadata !.*]], metadata !DIExpression()), [[DBG62]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 16777216, [[DBG63:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META58:metadata !.*]], metadata !DIExpression()), [[DBG63]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG64:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META59:metadata !.*]], metadata !DIExpression()), [[DBG64]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG65:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META60:metadata !.*]], metadata !DIExpression()), [[DBG65]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG66:!dbg !.*]]
+; NOLZCNT: end:
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG62]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG65]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG67:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG68:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG69:!dbg !.*]]
;
entry:
br label %loop
@@ -206,54 +281,62 @@ loop:
br i1 %x.curr.isbitunset, label %loop, label %end
end:
- ret i32 %x.curr
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
}
-define i32 @p3_constant_mask_15thbit(i32 %x) {
-; LZCNT-LABEL: @p3_constant_mask_15thbit(
+define void @p4_constant_mask_15thbit(i32 %x, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p4_constant_mask_15thbit(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], 65535, [[DBG59:!dbg !.*]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG59]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG59]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG59]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 15, [[X_MASKED_LEADINGONEPOS]], [[DBG59]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG59]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG59]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG59]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG60:!dbg !.*]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], 65535, [[DBG76:!dbg !.*]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG76]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG76]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG76]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 15, [[X_MASKED_LEADINGONEPOS]], [[DBG76]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG76]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG76]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG76]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG77:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG59]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG59]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META55:metadata !.*]], metadata !DIExpression()), [[DBG59]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], 32768, [[DBG61:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META56:metadata !.*]], metadata !DIExpression()), [[DBG61]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG62:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META57:metadata !.*]], metadata !DIExpression()), [[DBG62]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG63:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META58:metadata !.*]], metadata !DIExpression()), [[DBG63]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG64:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG64]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG64]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG76]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG76]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META72:metadata !.*]], metadata !DIExpression()), [[DBG76]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], 32768, [[DBG78:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META73:metadata !.*]], metadata !DIExpression()), [[DBG78]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG79:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META74:metadata !.*]], metadata !DIExpression()), [[DBG79]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG80:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META75:metadata !.*]], metadata !DIExpression()), [[DBG80]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG81:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG81]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG81]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG59]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG65:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG76]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG80]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG82:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG83:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG84:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p3_constant_mask_15thbit(
+; NOLZCNT-LABEL: @p4_constant_mask_15thbit(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG59:!dbg !.*]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG76:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG60:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META55:metadata !.*]], metadata !DIExpression()), [[DBG60]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 32768, [[DBG61:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META56:metadata !.*]], metadata !DIExpression()), [[DBG61]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG62:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META57:metadata !.*]], metadata !DIExpression()), [[DBG62]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG63:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META58:metadata !.*]], metadata !DIExpression()), [[DBG63]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG64:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG77:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META72:metadata !.*]], metadata !DIExpression()), [[DBG77]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 32768, [[DBG78:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META73:metadata !.*]], metadata !DIExpression()), [[DBG78]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG79:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META74:metadata !.*]], metadata !DIExpression()), [[DBG79]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG80:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META75:metadata !.*]], metadata !DIExpression()), [[DBG80]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG81:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG60]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG65:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG77]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG80]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG82:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG83:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG84:!dbg !.*]]
;
entry:
br label %loop
@@ -266,61 +349,69 @@ loop:
br i1 %x.curr.isbitunset, label %loop, label %end
end:
- ret i32 %x.curr
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
}
-; We don't particularly care whether %x.curr or %x.curr will live-out.
-define i32 @p4_
diff erent_liveout(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @p4_
diff erent_liveout(
+; All no-wrap flags can be kept on the shift.
+define void @p5_nuw(i32 %x, i32 %bit, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p5_nuw(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG73:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META68:metadata !.*]], metadata !DIExpression()), [[DBG73]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG74:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG74]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG74]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG74]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG74]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG74]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG74]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG74]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG74]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG74]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG75:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG92:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META87:metadata !.*]], metadata !DIExpression()), [[DBG92]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG93:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG93]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG93]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG93]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG93]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG93]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG93]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG93]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG93]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG93]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG94:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG74]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG74]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META69:metadata !.*]], metadata !DIExpression()), [[DBG74]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG76:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META70:metadata !.*]], metadata !DIExpression()), [[DBG76]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG77:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META71:metadata !.*]], metadata !DIExpression()), [[DBG77]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG78:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META72:metadata !.*]], metadata !DIExpression()), [[DBG78]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG79:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG79]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG79]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG93]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG93]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META88:metadata !.*]], metadata !DIExpression()), [[DBG93]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG95:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META89:metadata !.*]], metadata !DIExpression()), [[DBG95]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG96:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META90:metadata !.*]], metadata !DIExpression()), [[DBG96]]
+; LZCNT-NEXT: [[TMP1]] = shl nuw i32 [[TMP0]], 1, [[DBG97:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META91:metadata !.*]], metadata !DIExpression()), [[DBG97]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG98:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG98]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG98]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG78]]
-; LZCNT-NEXT: ret i32 [[X_NEXT_LCSSA]], [[DBG80:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG93]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG97]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG99:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG100:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG101:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p4_
diff erent_liveout(
+; NOLZCNT-LABEL: @p5_nuw(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG73:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META68:metadata !.*]], metadata !DIExpression()), [[DBG73]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG74:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG92:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META87:metadata !.*]], metadata !DIExpression()), [[DBG92]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG93:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG75:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META69:metadata !.*]], metadata !DIExpression()), [[DBG75]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG76:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META70:metadata !.*]], metadata !DIExpression()), [[DBG76]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG77:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META71:metadata !.*]], metadata !DIExpression()), [[DBG77]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG78:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META72:metadata !.*]], metadata !DIExpression()), [[DBG78]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG79:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG94:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META88:metadata !.*]], metadata !DIExpression()), [[DBG94]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG95:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META89:metadata !.*]], metadata !DIExpression()), [[DBG95]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG96:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META90:metadata !.*]], metadata !DIExpression()), [[DBG96]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl nuw i32 [[X_CURR]], 1, [[DBG97:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META91:metadata !.*]], metadata !DIExpression()), [[DBG97]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG98:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG78]]
-; NOLZCNT-NEXT: ret i32 [[X_NEXT_LCSSA]], [[DBG80:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG94]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG97]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG99:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG100:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG101:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -330,70 +421,71 @@ loop:
%x.curr = phi i32 [ %x, %entry ], [ %x.next, %loop ]
%x.curr.bitmasked = and i32 %x.curr, %bitmask
%x.curr.isbitunset = icmp eq i32 %x.curr.bitmasked, 0
- %x.next = shl i32 %x.curr, 1
+ %x.next = shl nuw i32 %x.curr, 1
br i1 %x.curr.isbitunset, label %loop, label %end
end:
- ret i32 %x.next ; not %x.curr
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
}
-; Even both of them being live-out is fine.
-define void @p5_both_liveout(i32 %x, i32 %bit, i32* %p0, i32* %p1) {
-; LZCNT-LABEL: @p5_both_liveout(
+define void @p6_nsw(i32 %x, i32 %bit, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p6_nsw(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG88:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META83:metadata !.*]], metadata !DIExpression()), [[DBG88]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG89:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG89]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG89]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG89]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG89]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG89]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG89]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG89]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG89]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG89]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG90:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG109:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META104:metadata !.*]], metadata !DIExpression()), [[DBG109]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG110:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG110]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG110]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG110]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG110]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG110]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG110]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG110]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG110]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG110]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG111:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG89]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG89]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META84:metadata !.*]], metadata !DIExpression()), [[DBG89]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG91:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META85:metadata !.*]], metadata !DIExpression()), [[DBG91]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG92:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META86:metadata !.*]], metadata !DIExpression()), [[DBG92]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG93:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META87:metadata !.*]], metadata !DIExpression()), [[DBG93]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG94:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG94]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG94]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG110]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG110]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META105:metadata !.*]], metadata !DIExpression()), [[DBG110]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG112:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META106:metadata !.*]], metadata !DIExpression()), [[DBG112]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG113:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META107:metadata !.*]], metadata !DIExpression()), [[DBG113]]
+; LZCNT-NEXT: [[TMP1]] = shl nsw i32 [[TMP0]], 1, [[DBG114:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META108:metadata !.*]], metadata !DIExpression()), [[DBG114]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG115:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG115]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG115]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG89]]
-; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG93]]
-; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG95:!dbg !.*]]
-; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG96:!dbg !.*]]
-; LZCNT-NEXT: ret void, [[DBG97:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG110]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG114]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG116:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG117:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG118:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p5_both_liveout(
+; NOLZCNT-LABEL: @p6_nsw(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG88:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META83:metadata !.*]], metadata !DIExpression()), [[DBG88]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG89:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG109:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META104:metadata !.*]], metadata !DIExpression()), [[DBG109]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG110:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG90:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META84:metadata !.*]], metadata !DIExpression()), [[DBG90]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG91:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META85:metadata !.*]], metadata !DIExpression()), [[DBG91]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG92:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META86:metadata !.*]], metadata !DIExpression()), [[DBG92]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG93:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META87:metadata !.*]], metadata !DIExpression()), [[DBG93]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG94:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG111:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META105:metadata !.*]], metadata !DIExpression()), [[DBG111]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG112:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META106:metadata !.*]], metadata !DIExpression()), [[DBG112]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG113:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META107:metadata !.*]], metadata !DIExpression()), [[DBG113]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl nsw i32 [[X_CURR]], 1, [[DBG114:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META108:metadata !.*]], metadata !DIExpression()), [[DBG114]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG115:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG90]]
-; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG93]]
-; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG95:!dbg !.*]]
-; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG96:!dbg !.*]]
-; NOLZCNT-NEXT: ret void, [[DBG97:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG111]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG114]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG116:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG117:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG118:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -403,7 +495,7 @@ loop:
%x.curr = phi i32 [ %x, %entry ], [ %x.next, %loop ]
%x.curr.bitmasked = and i32 %x.curr, %bitmask
%x.curr.isbitunset = icmp eq i32 %x.curr.bitmasked, 0
- %x.next = shl i32 %x.curr, 1
+ %x.next = shl nsw i32 %x.curr, 1
br i1 %x.curr.isbitunset, label %loop, label %end
end:
@@ -411,51 +503,131 @@ end:
store i32 %x.next, i32* %p1
ret void
}
+define void @p7_nuwnsw(i32 %x, i32 %bit, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p7_nuwnsw(
+; LZCNT-NEXT: entry:
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG126:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META121:metadata !.*]], metadata !DIExpression()), [[DBG126]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG127:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG127]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG127]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG127]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG127]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG127]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG127]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG127]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG127]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG127]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG128:!dbg !.*]]
+; LZCNT: loop:
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG127]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG127]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META122:metadata !.*]], metadata !DIExpression()), [[DBG127]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG129:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META123:metadata !.*]], metadata !DIExpression()), [[DBG129]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG130:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META124:metadata !.*]], metadata !DIExpression()), [[DBG130]]
+; LZCNT-NEXT: [[TMP1]] = shl nuw nsw i32 [[TMP0]], 1, [[DBG131:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META125:metadata !.*]], metadata !DIExpression()), [[DBG131]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG132:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG132]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG132]]
+; LZCNT: end:
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG127]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG131]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG133:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG134:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG135:!dbg !.*]]
+;
+; NOLZCNT-LABEL: @p7_nuwnsw(
+; NOLZCNT-NEXT: entry:
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG126:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META121:metadata !.*]], metadata !DIExpression()), [[DBG126]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG127:!dbg !.*]]
+; NOLZCNT: loop:
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG128:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META122:metadata !.*]], metadata !DIExpression()), [[DBG128]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG129:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META123:metadata !.*]], metadata !DIExpression()), [[DBG129]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG130:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META124:metadata !.*]], metadata !DIExpression()), [[DBG130]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl nuw nsw i32 [[X_CURR]], 1, [[DBG131:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META125:metadata !.*]], metadata !DIExpression()), [[DBG131]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG132:!dbg !.*]]
+; NOLZCNT: end:
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG128]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG131]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG133:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG134:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG135:!dbg !.*]]
+;
+entry:
+ %bitmask = shl i32 1, %bit
+ br label %loop
+
+loop:
+ %x.curr = phi i32 [ %x, %entry ], [ %x.next, %loop ]
+ %x.curr.bitmasked = and i32 %x.curr, %bitmask
+ %x.curr.isbitunset = icmp eq i32 %x.curr.bitmasked, 0
+ %x.next = shl nuw nsw i32 %x.curr, 1
+ br i1 %x.curr.isbitunset, label %loop, label %end
-define i32 @p6_constant_mask_signbit_noncanonical(i32 %x) {
-; LZCNT-LABEL: @p6_constant_mask_signbit_noncanonical(
+end:
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
+}
+
+define void @p8_constant_mask_signbit_noncanonical(i32 %x, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p8_constant_mask_signbit_noncanonical(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG104:!dbg !.*]]
-; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG104]]
-; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG104]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG104]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG104]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG104]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG104]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG105:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG142:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG142]]
+; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG142]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG142]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG142]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG142]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG142]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG143:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG104]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG104]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META100:metadata !.*]], metadata !DIExpression()), [[DBG104]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], -2147483648, [[DBG106:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META101:metadata !.*]], metadata !DIExpression()), [[DBG106]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG107:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META102:metadata !.*]], metadata !DIExpression()), [[DBG107]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG108:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META103:metadata !.*]], metadata !DIExpression()), [[DBG108]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG109:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG109]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG109]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG142]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG142]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META138:metadata !.*]], metadata !DIExpression()), [[DBG142]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], -2147483648, [[DBG144:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META139:metadata !.*]], metadata !DIExpression()), [[DBG144]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG145:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META140:metadata !.*]], metadata !DIExpression()), [[DBG145]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG146:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META141:metadata !.*]], metadata !DIExpression()), [[DBG146]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG147:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG147]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG147]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG104]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG110:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG142]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG146]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG148:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG149:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG150:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p6_constant_mask_signbit_noncanonical(
+; NOLZCNT-LABEL: @p8_constant_mask_signbit_noncanonical(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG104:!dbg !.*]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG142:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG105:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META100:metadata !.*]], metadata !DIExpression()), [[DBG105]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], -2147483648, [[DBG106:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META101:metadata !.*]], metadata !DIExpression()), [[DBG106]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG107:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META102:metadata !.*]], metadata !DIExpression()), [[DBG107]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG108:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META103:metadata !.*]], metadata !DIExpression()), [[DBG108]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG109:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG143:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META138:metadata !.*]], metadata !DIExpression()), [[DBG143]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], -2147483648, [[DBG144:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META139:metadata !.*]], metadata !DIExpression()), [[DBG144]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG145:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META140:metadata !.*]], metadata !DIExpression()), [[DBG145]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG146:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META141:metadata !.*]], metadata !DIExpression()), [[DBG146]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG147:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG105]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG110:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG143]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG146]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG148:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG149:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG150:!dbg !.*]]
;
entry:
br label %loop
@@ -468,49 +640,57 @@ loop:
br i1 %x.curr.isbitunset, label %loop, label %end
end:
- ret i32 %x.curr
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
}
-define i32 @p7_constant_mask_signbit_canonical(i32 %x) {
-; LZCNT-LABEL: @p7_constant_mask_signbit_canonical(
+define void @p9_constant_mask_signbit_canonical(i32 %x, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p9_constant_mask_signbit_canonical(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG116:!dbg !.*]]
-; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG116]]
-; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG116]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG116]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG116]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG116]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG116]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG117:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG156:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG156]]
+; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG156]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG156]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG156]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG156]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG156]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG157:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG116]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG116]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META113:metadata !.*]], metadata !DIExpression()), [[DBG116]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[TMP0]], -1, [[DBG118:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META114:metadata !.*]], metadata !DIExpression()), [[DBG118]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG119:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META115:metadata !.*]], metadata !DIExpression()), [[DBG119]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG120:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG120]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG120]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG156]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG156]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META153:metadata !.*]], metadata !DIExpression()), [[DBG156]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[TMP0]], -1, [[DBG158:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META154:metadata !.*]], metadata !DIExpression()), [[DBG158]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG159:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META155:metadata !.*]], metadata !DIExpression()), [[DBG159]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG160:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG160]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG160]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG116]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG121:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG156]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG159]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG161:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG162:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG163:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p7_constant_mask_signbit_canonical(
+; NOLZCNT-LABEL: @p9_constant_mask_signbit_canonical(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG116:!dbg !.*]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG156:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG117:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META113:metadata !.*]], metadata !DIExpression()), [[DBG117]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[X_CURR]], -1, [[DBG118:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META114:metadata !.*]], metadata !DIExpression()), [[DBG118]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG119:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META115:metadata !.*]], metadata !DIExpression()), [[DBG119]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG120:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG157:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META153:metadata !.*]], metadata !DIExpression()), [[DBG157]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[X_CURR]], -1, [[DBG158:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META154:metadata !.*]], metadata !DIExpression()), [[DBG158]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG159:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META155:metadata !.*]], metadata !DIExpression()), [[DBG159]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG160:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG117]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG121:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG157]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG159]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG161:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG162:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG163:!dbg !.*]]
;
entry:
br label %loop
@@ -522,61 +702,138 @@ loop:
br i1 %x.curr.isbitunset, label %loop, label %end
end:
- ret i32 %x.curr
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
+}
+
+define void @p10_x_is_not_one(i32 %bit, i32* %p0, i32* %p1) {
+; LZCNT-LABEL: @p10_x_is_not_one(
+; LZCNT-NEXT: entry:
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG171:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META166:metadata !.*]], metadata !DIExpression()), [[DBG171]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG172:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG172]]
+; LZCNT-NEXT: [[DOTMASKED:%.*]] = and i32 2, [[BIT_MASK]], [[DBG172]]
+; LZCNT-NEXT: [[DOTMASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[DOTMASKED]], i1 true), [[DBG172]]
+; LZCNT-NEXT: [[DOTMASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[DOTMASKED_NUMLEADINGZEROS]], [[DBG172]]
+; LZCNT-NEXT: [[DOTMASKED_LEADINGONEPOS:%.*]] = add i32 [[DOTMASKED_NUMACTIVEBITS]], -1, [[DBG172]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[DOTMASKED_LEADINGONEPOS]], [[DBG172]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG172]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 2, [[LOOP_BACKEDGETAKENCOUNT]], [[DBG172]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 2, [[LOOP_TRIPCOUNT]], [[DBG172]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG173:!dbg !.*]]
+; LZCNT: loop:
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG172]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ 2, [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG172]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META167:metadata !.*]], metadata !DIExpression()), [[DBG172]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG174:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META168:metadata !.*]], metadata !DIExpression()), [[DBG174]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG175:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META169:metadata !.*]], metadata !DIExpression()), [[DBG175]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG176:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META170:metadata !.*]], metadata !DIExpression()), [[DBG176]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG177:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG177]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG177]]
+; LZCNT: end:
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG172]]
+; LZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG176]]
+; LZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG178:!dbg !.*]]
+; LZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG179:!dbg !.*]]
+; LZCNT-NEXT: ret void, [[DBG180:!dbg !.*]]
+;
+; NOLZCNT-LABEL: @p10_x_is_not_one(
+; NOLZCNT-NEXT: entry:
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG171:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META166:metadata !.*]], metadata !DIExpression()), [[DBG171]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG172:!dbg !.*]]
+; NOLZCNT: loop:
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ 2, [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG173:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META167:metadata !.*]], metadata !DIExpression()), [[DBG173]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG174:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META168:metadata !.*]], metadata !DIExpression()), [[DBG174]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG175:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META169:metadata !.*]], metadata !DIExpression()), [[DBG175]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG176:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META170:metadata !.*]], metadata !DIExpression()), [[DBG176]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG177:!dbg !.*]]
+; NOLZCNT: end:
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG173]]
+; NOLZCNT-NEXT: [[X_NEXT_LCSSA:%.*]] = phi i32 [ [[X_NEXT]], [[LOOP]] ], [[DBG176]]
+; NOLZCNT-NEXT: store i32 [[X_CURR_LCSSA]], i32* [[P0:%.*]], align 4, [[DBG178:!dbg !.*]]
+; NOLZCNT-NEXT: store i32 [[X_NEXT_LCSSA]], i32* [[P1:%.*]], align 4, [[DBG179:!dbg !.*]]
+; NOLZCNT-NEXT: ret void, [[DBG180:!dbg !.*]]
+;
+entry:
+ %bitmask = shl i32 1, %bit
+ br label %loop
+
+loop:
+ %x.curr = phi i32 [ 2, %entry ], [ %x.next, %loop ]
+ %x.curr.bitmasked = and i32 %x.curr, %bitmask
+ %x.curr.isbitunset = icmp eq i32 %x.curr.bitmasked, 0
+ %x.next = shl i32 %x.curr, 1
+ br i1 %x.curr.isbitunset, label %loop, label %end
+
+end:
+ store i32 %x.curr, i32* %p0
+ store i32 %x.next, i32* %p1
+ ret void
}
; Check that loop backedge's cmp-br order is correctly handled
-define i32 @p8(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @p8(
+define i32 @p11(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @p11(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG129:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META124:metadata !.*]], metadata !DIExpression()), [[DBG129]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG130:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG130]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG130]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG130]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG130]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG130]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG130]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG130]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG130]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG130]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG131:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG188:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META183:metadata !.*]], metadata !DIExpression()), [[DBG188]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG189:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG189]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG189]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG189]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG189]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG189]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG189]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG189]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG189]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG189]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG190:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG130]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG130]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META125:metadata !.*]], metadata !DIExpression()), [[DBG130]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG132:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META126:metadata !.*]], metadata !DIExpression()), [[DBG132]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG133:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META127:metadata !.*]], metadata !DIExpression()), [[DBG133]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG134:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META128:metadata !.*]], metadata !DIExpression()), [[DBG134]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG135:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG135]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG135]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG189]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG189]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META184:metadata !.*]], metadata !DIExpression()), [[DBG189]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG191:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META185:metadata !.*]], metadata !DIExpression()), [[DBG191]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG192:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META186:metadata !.*]], metadata !DIExpression()), [[DBG192]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG193:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META187:metadata !.*]], metadata !DIExpression()), [[DBG193]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG194:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG194]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG194]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG130]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG136:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG189]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG195:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p8(
+; NOLZCNT-LABEL: @p11(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG129:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META124:metadata !.*]], metadata !DIExpression()), [[DBG129]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG130:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG188:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META183:metadata !.*]], metadata !DIExpression()), [[DBG188]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG189:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG131:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META125:metadata !.*]], metadata !DIExpression()), [[DBG131]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG132:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META126:metadata !.*]], metadata !DIExpression()), [[DBG132]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG133:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META127:metadata !.*]], metadata !DIExpression()), [[DBG133]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG134:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META128:metadata !.*]], metadata !DIExpression()), [[DBG134]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG135:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG190:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META184:metadata !.*]], metadata !DIExpression()), [[DBG190]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG191:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META185:metadata !.*]], metadata !DIExpression()), [[DBG191]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG192:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META186:metadata !.*]], metadata !DIExpression()), [[DBG192]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG193:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META187:metadata !.*]], metadata !DIExpression()), [[DBG193]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG194:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG131]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG136:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG190]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG195:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -594,57 +851,57 @@ end:
}
; `and` is commutative, so ensure that order is irrelevant
-define i32 @p9(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @p9(
+define i32 @p12(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @p12(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG144:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META139:metadata !.*]], metadata !DIExpression()), [[DBG144]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG145:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG145]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG145]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG145]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG145]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG145]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG145]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG145]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG145]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG145]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG146:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG203:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META198:metadata !.*]], metadata !DIExpression()), [[DBG203]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG204:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG204]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG204]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG204]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG204]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG204]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG204]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG204]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG204]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG204]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG205:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG145]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG145]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META140:metadata !.*]], metadata !DIExpression()), [[DBG145]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[BITMASK]], [[TMP0]], [[DBG147:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META141:metadata !.*]], metadata !DIExpression()), [[DBG147]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG148:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META142:metadata !.*]], metadata !DIExpression()), [[DBG148]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG149:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META143:metadata !.*]], metadata !DIExpression()), [[DBG149]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG150:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG150]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG150]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG204]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG204]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META199:metadata !.*]], metadata !DIExpression()), [[DBG204]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[BITMASK]], [[TMP0]], [[DBG206:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META200:metadata !.*]], metadata !DIExpression()), [[DBG206]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG207:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META201:metadata !.*]], metadata !DIExpression()), [[DBG207]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG208:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META202:metadata !.*]], metadata !DIExpression()), [[DBG208]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG209:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG209]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG209]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG145]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG151:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG204]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG210:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p9(
+; NOLZCNT-LABEL: @p12(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG144:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META139:metadata !.*]], metadata !DIExpression()), [[DBG144]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG145:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG203:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META198:metadata !.*]], metadata !DIExpression()), [[DBG203]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG204:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG146:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META140:metadata !.*]], metadata !DIExpression()), [[DBG146]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[BITMASK]], [[X_CURR]], [[DBG147:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META141:metadata !.*]], metadata !DIExpression()), [[DBG147]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG148:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META142:metadata !.*]], metadata !DIExpression()), [[DBG148]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG149:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META143:metadata !.*]], metadata !DIExpression()), [[DBG149]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG150:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG205:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META199:metadata !.*]], metadata !DIExpression()), [[DBG205]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[BITMASK]], [[X_CURR]], [[DBG206:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META200:metadata !.*]], metadata !DIExpression()), [[DBG206]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG207:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META201:metadata !.*]], metadata !DIExpression()), [[DBG207]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG208:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META202:metadata !.*]], metadata !DIExpression()), [[DBG208]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG209:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG146]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG151:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG205]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG210:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -663,57 +920,57 @@ end:
; PHI node does not have any particular order for it's incomings,
; but check that the other order still works.
-define i32 @p10(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @p10(
+define i32 @p13(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @p13(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG159:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META154:metadata !.*]], metadata !DIExpression()), [[DBG159]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG160:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG160]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG160]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG160]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG160]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG160]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG160]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG160]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG160]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG160]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG161:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG218:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META213:metadata !.*]], metadata !DIExpression()), [[DBG218]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG219:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG219]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG219]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG219]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG219]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG219]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG219]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG219]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG219]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG219]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG220:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG160]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[TMP1:%.*]], [[LOOP]] ], [ [[X]], [[ENTRY]] ], [[DBG160]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META155:metadata !.*]], metadata !DIExpression()), [[DBG160]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG162:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META156:metadata !.*]], metadata !DIExpression()), [[DBG162]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG163:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META157:metadata !.*]], metadata !DIExpression()), [[DBG163]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG164:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META158:metadata !.*]], metadata !DIExpression()), [[DBG164]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG165:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG165]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG165]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG219]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[TMP1:%.*]], [[LOOP]] ], [ [[X]], [[ENTRY]] ], [[DBG219]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META214:metadata !.*]], metadata !DIExpression()), [[DBG219]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG221:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META215:metadata !.*]], metadata !DIExpression()), [[DBG221]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG222:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META216:metadata !.*]], metadata !DIExpression()), [[DBG222]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG223:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META217:metadata !.*]], metadata !DIExpression()), [[DBG223]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG224:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG224]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG224]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG160]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG166:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG219]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG225:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p10(
+; NOLZCNT-LABEL: @p13(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG159:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META154:metadata !.*]], metadata !DIExpression()), [[DBG159]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG160:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG218:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META213:metadata !.*]], metadata !DIExpression()), [[DBG218]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG219:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X_NEXT:%.*]], [[LOOP]] ], [ [[X:%.*]], [[ENTRY:%.*]] ], [[DBG161:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META155:metadata !.*]], metadata !DIExpression()), [[DBG161]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG162:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META156:metadata !.*]], metadata !DIExpression()), [[DBG162]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG163:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META157:metadata !.*]], metadata !DIExpression()), [[DBG163]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG164:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META158:metadata !.*]], metadata !DIExpression()), [[DBG164]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG165:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X_NEXT:%.*]], [[LOOP]] ], [ [[X:%.*]], [[ENTRY:%.*]] ], [[DBG220:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META214:metadata !.*]], metadata !DIExpression()), [[DBG220]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG221:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META215:metadata !.*]], metadata !DIExpression()), [[DBG221]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG222:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META216:metadata !.*]], metadata !DIExpression()), [[DBG222]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG223:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META217:metadata !.*]], metadata !DIExpression()), [[DBG223]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG224:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG161]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG166:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG220]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG225:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -731,46 +988,46 @@ end:
}
; ICmp-Br are commutative
-define i32 @p11(i32 %x) {
-; LZCNT-LABEL: @p11(
+define i32 @p14(i32 %x) {
+; LZCNT-LABEL: @p14(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG172:!dbg !.*]]
-; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG172]]
-; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG172]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG172]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG172]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG172]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG172]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG173:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG231:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG231]]
+; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG231]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG231]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG231]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG231]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG231]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG232:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG172]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG172]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META169:metadata !.*]], metadata !DIExpression()), [[DBG172]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp slt i32 [[TMP0]], 0, [[DBG174:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META170:metadata !.*]], metadata !DIExpression()), [[DBG174]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG175:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META171:metadata !.*]], metadata !DIExpression()), [[DBG175]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG176:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG176]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG176]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG231]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG231]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META228:metadata !.*]], metadata !DIExpression()), [[DBG231]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp slt i32 [[TMP0]], 0, [[DBG233:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META229:metadata !.*]], metadata !DIExpression()), [[DBG233]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG234:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META230:metadata !.*]], metadata !DIExpression()), [[DBG234]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG235:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG235]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG235]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG172]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG177:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG231]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG236:!dbg !.*]]
;
-; NOLZCNT-LABEL: @p11(
+; NOLZCNT-LABEL: @p14(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG172:!dbg !.*]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG231:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG173:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META169:metadata !.*]], metadata !DIExpression()), [[DBG173]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp slt i32 [[X_CURR]], 0, [[DBG174:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META170:metadata !.*]], metadata !DIExpression()), [[DBG174]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG175:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META171:metadata !.*]], metadata !DIExpression()), [[DBG175]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG176:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG232:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META228:metadata !.*]], metadata !DIExpression()), [[DBG232]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp slt i32 [[X_CURR]], 0, [[DBG233:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META229:metadata !.*]], metadata !DIExpression()), [[DBG233]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG234:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META230:metadata !.*]], metadata !DIExpression()), [[DBG234]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG235:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG173]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG177:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG232]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG236:!dbg !.*]]
;
entry:
br label %loop
@@ -789,25 +1046,25 @@ end:
; Negative tests
; The %bitmask must be outside of the loop.
-define i32 @n12(i32 %x, i32 %bit) {
-; ALL-LABEL: @n12(
+define i32 @n15(i32 %x, i32 %bit) {
+; ALL-LABEL: @n15(
; ALL-NEXT: entry:
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG185:!dbg !.*]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG244:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG186:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META180:metadata !.*]], metadata !DIExpression()), [[DBG186]]
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG187:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META181:metadata !.*]], metadata !DIExpression()), [[DBG187]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG188:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META182:metadata !.*]], metadata !DIExpression()), [[DBG188]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG189:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META183:metadata !.*]], metadata !DIExpression()), [[DBG189]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG190:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META184:metadata !.*]], metadata !DIExpression()), [[DBG190]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG191:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG245:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META239:metadata !.*]], metadata !DIExpression()), [[DBG245]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG246:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META240:metadata !.*]], metadata !DIExpression()), [[DBG246]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG247:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META241:metadata !.*]], metadata !DIExpression()), [[DBG247]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG248:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META242:metadata !.*]], metadata !DIExpression()), [[DBG248]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG249:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META243:metadata !.*]], metadata !DIExpression()), [[DBG249]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG250:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG186]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG192:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG245]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG251:!dbg !.*]]
;
entry:
br label %loop
@@ -825,25 +1082,25 @@ end:
}
; The %bitmask must be loop-invariant
-define i32 @n13(i32 %x, i32 %bit) {
-; ALL-LABEL: @n13(
+define i32 @n16(i32 %x, i32 %bit) {
+; ALL-LABEL: @n16(
; ALL-NEXT: entry:
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG200:!dbg !.*]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG259:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG201:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META195:metadata !.*]], metadata !DIExpression()), [[DBG201]]
-; ALL-NEXT: [[BITMASK:%.*]] = call i32 @gen32(), [[DBG202:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META196:metadata !.*]], metadata !DIExpression()), [[DBG202]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG203:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META197:metadata !.*]], metadata !DIExpression()), [[DBG203]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG204:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META198:metadata !.*]], metadata !DIExpression()), [[DBG204]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG205:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META199:metadata !.*]], metadata !DIExpression()), [[DBG205]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG206:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG260:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META254:metadata !.*]], metadata !DIExpression()), [[DBG260]]
+; ALL-NEXT: [[BITMASK:%.*]] = call i32 @gen32(), [[DBG261:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META255:metadata !.*]], metadata !DIExpression()), [[DBG261]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG262:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META256:metadata !.*]], metadata !DIExpression()), [[DBG262]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG263:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META257:metadata !.*]], metadata !DIExpression()), [[DBG263]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG264:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META258:metadata !.*]], metadata !DIExpression()), [[DBG264]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG265:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG201]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG207:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG260]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG266:!dbg !.*]]
;
entry:
br label %loop
@@ -861,25 +1118,25 @@ end:
}
; The %bitmask must be a left-shift of a single bit.
-define i32 @n14(i32 %x, i32 %bit) {
-; ALL-LABEL: @n14(
+define i32 @n17(i32 %x, i32 %bit) {
+; ALL-LABEL: @n17(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 2, [[BIT:%.*]], [[DBG215:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META210:metadata !.*]], metadata !DIExpression()), [[DBG215]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG216:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 2, [[BIT:%.*]], [[DBG274:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META269:metadata !.*]], metadata !DIExpression()), [[DBG274]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG275:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG217:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META211:metadata !.*]], metadata !DIExpression()), [[DBG217]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG218:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META212:metadata !.*]], metadata !DIExpression()), [[DBG218]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG219:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META213:metadata !.*]], metadata !DIExpression()), [[DBG219]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG220:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META214:metadata !.*]], metadata !DIExpression()), [[DBG220]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG221:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG276:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META270:metadata !.*]], metadata !DIExpression()), [[DBG276]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG277:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META271:metadata !.*]], metadata !DIExpression()), [[DBG277]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG278:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META272:metadata !.*]], metadata !DIExpression()), [[DBG278]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG279:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META273:metadata !.*]], metadata !DIExpression()), [[DBG279]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG280:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG217]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG222:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG276]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG281:!dbg !.*]]
;
entry:
%bitmask = shl i32 2, %bit ; not what we are looking for.
@@ -897,25 +1154,25 @@ end:
}
; Bad recurrence - should be a left-shift by 1.
-define i32 @n15(i32 %x, i32 %bit) {
-; ALL-LABEL: @n15(
+define i32 @n18(i32 %x, i32 %bit) {
+; ALL-LABEL: @n18(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG230:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META225:metadata !.*]], metadata !DIExpression()), [[DBG230]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG231:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG289:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META284:metadata !.*]], metadata !DIExpression()), [[DBG289]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG290:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG232:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META226:metadata !.*]], metadata !DIExpression()), [[DBG232]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG233:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META227:metadata !.*]], metadata !DIExpression()), [[DBG233]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG234:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META228:metadata !.*]], metadata !DIExpression()), [[DBG234]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 2, [[DBG235:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META229:metadata !.*]], metadata !DIExpression()), [[DBG235]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG236:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG291:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META285:metadata !.*]], metadata !DIExpression()), [[DBG291]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG292:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META286:metadata !.*]], metadata !DIExpression()), [[DBG292]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG293:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META287:metadata !.*]], metadata !DIExpression()), [[DBG293]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 2, [[DBG294:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META288:metadata !.*]], metadata !DIExpression()), [[DBG294]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG295:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG232]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG237:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG291]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG296:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -933,25 +1190,25 @@ end:
}
; The comparison is not what we are looking for.
-define i32 @n16(i32 %x, i32 %bit) {
-; ALL-LABEL: @n16(
+define i32 @n19(i32 %x, i32 %bit) {
+; ALL-LABEL: @n19(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG245:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META240:metadata !.*]], metadata !DIExpression()), [[DBG245]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG246:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG304:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META299:metadata !.*]], metadata !DIExpression()), [[DBG304]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG305:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG247:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META241:metadata !.*]], metadata !DIExpression()), [[DBG247]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG248:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META242:metadata !.*]], metadata !DIExpression()), [[DBG248]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], [[BITMASK]], [[DBG249:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META243:metadata !.*]], metadata !DIExpression()), [[DBG249]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG250:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META244:metadata !.*]], metadata !DIExpression()), [[DBG250]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG251:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG306:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META300:metadata !.*]], metadata !DIExpression()), [[DBG306]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG307:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META301:metadata !.*]], metadata !DIExpression()), [[DBG307]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], [[BITMASK]], [[DBG308:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META302:metadata !.*]], metadata !DIExpression()), [[DBG308]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG309:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META303:metadata !.*]], metadata !DIExpression()), [[DBG309]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG310:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG247]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG252:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG306]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG311:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -969,25 +1226,25 @@ end:
}
; We should loop while %x.curr.bitmasked is 0, not exit when it is 0.
-define i32 @n17(i32 %x, i32 %bit) {
-; ALL-LABEL: @n17(
+define i32 @n20(i32 %x, i32 %bit) {
+; ALL-LABEL: @n20(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG260:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META255:metadata !.*]], metadata !DIExpression()), [[DBG260]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG261:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG319:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META314:metadata !.*]], metadata !DIExpression()), [[DBG319]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG320:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG262:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META256:metadata !.*]], metadata !DIExpression()), [[DBG262]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG263:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META257:metadata !.*]], metadata !DIExpression()), [[DBG263]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG264:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META258:metadata !.*]], metadata !DIExpression()), [[DBG264]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG265:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META259:metadata !.*]], metadata !DIExpression()), [[DBG265]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG266:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG321:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META315:metadata !.*]], metadata !DIExpression()), [[DBG321]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG322:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META316:metadata !.*]], metadata !DIExpression()), [[DBG322]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG323:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META317:metadata !.*]], metadata !DIExpression()), [[DBG323]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG324:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META318:metadata !.*]], metadata !DIExpression()), [[DBG324]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[END:%.*]], label [[LOOP]], [[DBG325:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG262]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG267:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG321]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG326:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1005,25 +1262,25 @@ end:
}
; We should loop while %x.curr.bitmasked is 0, not while it is not 0.
-define i32 @n18(i32 %x, i32 %bit) {
-; ALL-LABEL: @n18(
+define i32 @n21(i32 %x, i32 %bit) {
+; ALL-LABEL: @n21(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG275:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META270:metadata !.*]], metadata !DIExpression()), [[DBG275]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG276:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG334:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META329:metadata !.*]], metadata !DIExpression()), [[DBG334]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG335:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG277:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META271:metadata !.*]], metadata !DIExpression()), [[DBG277]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG278:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META272:metadata !.*]], metadata !DIExpression()), [[DBG278]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG279:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META273:metadata !.*]], metadata !DIExpression()), [[DBG279]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG280:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META274:metadata !.*]], metadata !DIExpression()), [[DBG280]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG281:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG336:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META330:metadata !.*]], metadata !DIExpression()), [[DBG336]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG337:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META331:metadata !.*]], metadata !DIExpression()), [[DBG337]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp ne i32 [[X_CURR_BITMASKED]], 0, [[DBG338:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META332:metadata !.*]], metadata !DIExpression()), [[DBG338]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG339:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META333:metadata !.*]], metadata !DIExpression()), [[DBG339]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG340:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG277]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG282:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG336]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG341:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1041,23 +1298,23 @@ end:
}
; PHI node is not a recurrence
-define i32 @n19(i32 %x, i32 %bit) {
-; ALL-LABEL: @n19(
+define i32 @n22(i32 %x, i32 %bit) {
+; ALL-LABEL: @n22(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG290:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META285:metadata !.*]], metadata !DIExpression()), [[DBG290]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG291:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG349:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META344:metadata !.*]], metadata !DIExpression()), [[DBG349]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG350:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X:%.*]], [[META286:metadata !.*]], metadata !DIExpression()), [[DBG292:!dbg !.*]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X]], [[BITMASK]], [[DBG293:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META287:metadata !.*]], metadata !DIExpression()), [[DBG293]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG294:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META288:metadata !.*]], metadata !DIExpression()), [[DBG294]]
-; ALL-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], 1, [[DBG295:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META289:metadata !.*]], metadata !DIExpression()), [[DBG295]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG296:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X:%.*]], [[META345:metadata !.*]], metadata !DIExpression()), [[DBG351:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X]], [[BITMASK]], [[DBG352:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META346:metadata !.*]], metadata !DIExpression()), [[DBG352]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG353:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META347:metadata !.*]], metadata !DIExpression()), [[DBG353]]
+; ALL-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], 1, [[DBG354:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META348:metadata !.*]], metadata !DIExpression()), [[DBG354]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG355:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: ret i32 [[X]], [[DBG297:!dbg !.*]]
+; ALL-NEXT: ret i32 [[X]], [[DBG356:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1075,25 +1332,25 @@ end:
}
; Masking wrong value
-define i32 @n20(i32 %x, i32 %bit) {
-; ALL-LABEL: @n20(
+define i32 @n23(i32 %x, i32 %bit) {
+; ALL-LABEL: @n23(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG305:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META300:metadata !.*]], metadata !DIExpression()), [[DBG305]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG306:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG364:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META359:metadata !.*]], metadata !DIExpression()), [[DBG364]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG365:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG307:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META301:metadata !.*]], metadata !DIExpression()), [[DBG307]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X]], [[BITMASK]], [[DBG308:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META302:metadata !.*]], metadata !DIExpression()), [[DBG308]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG309:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META303:metadata !.*]], metadata !DIExpression()), [[DBG309]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG310:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META304:metadata !.*]], metadata !DIExpression()), [[DBG310]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG311:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG366:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META360:metadata !.*]], metadata !DIExpression()), [[DBG366]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X]], [[BITMASK]], [[DBG367:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META361:metadata !.*]], metadata !DIExpression()), [[DBG367]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG368:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META362:metadata !.*]], metadata !DIExpression()), [[DBG368]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG369:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META363:metadata !.*]], metadata !DIExpression()), [[DBG369]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG370:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG307]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG312:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG366]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG371:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1111,25 +1368,25 @@ end:
}
; Checking wrong value
-define i32 @n21(i32 %x, i32 %bit) {
-; ALL-LABEL: @n21(
+define i32 @n24(i32 %x, i32 %bit) {
+; ALL-LABEL: @n24(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG320:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META315:metadata !.*]], metadata !DIExpression()), [[DBG320]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG321:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG379:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META374:metadata !.*]], metadata !DIExpression()), [[DBG379]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG380:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG322:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META316:metadata !.*]], metadata !DIExpression()), [[DBG322]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG323:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META317:metadata !.*]], metadata !DIExpression()), [[DBG323]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR]], 0, [[DBG324:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META318:metadata !.*]], metadata !DIExpression()), [[DBG324]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG325:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META319:metadata !.*]], metadata !DIExpression()), [[DBG325]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG326:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG381:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META375:metadata !.*]], metadata !DIExpression()), [[DBG381]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG382:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META376:metadata !.*]], metadata !DIExpression()), [[DBG382]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR]], 0, [[DBG383:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META377:metadata !.*]], metadata !DIExpression()), [[DBG383]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG384:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META378:metadata !.*]], metadata !DIExpression()), [[DBG384]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG385:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG322]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG327:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG381]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG386:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1147,25 +1404,25 @@ end:
}
; Shifting wrong value
-define i32 @n22(i32 %x, i32 %bit) {
-; ALL-LABEL: @n22(
+define i32 @n25(i32 %x, i32 %bit) {
+; ALL-LABEL: @n25(
; ALL-NEXT: entry:
-; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG335:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META330:metadata !.*]], metadata !DIExpression()), [[DBG335]]
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG336:!dbg !.*]]
+; ALL-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG394:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META389:metadata !.*]], metadata !DIExpression()), [[DBG394]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG395:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG337:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META331:metadata !.*]], metadata !DIExpression()), [[DBG337]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG338:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META332:metadata !.*]], metadata !DIExpression()), [[DBG338]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG339:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META333:metadata !.*]], metadata !DIExpression()), [[DBG339]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X]], 1, [[DBG340:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META334:metadata !.*]], metadata !DIExpression()), [[DBG340]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG341:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG396:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META390:metadata !.*]], metadata !DIExpression()), [[DBG396]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG397:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META391:metadata !.*]], metadata !DIExpression()), [[DBG397]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG398:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META392:metadata !.*]], metadata !DIExpression()), [[DBG398]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X]], 1, [[DBG399:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META393:metadata !.*]], metadata !DIExpression()), [[DBG399]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG400:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG337]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG342:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG396]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG401:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1183,23 +1440,23 @@ end:
}
; Bit mask is not a power of 2
-define i32 @n23(i32 %x) {
-; ALL-LABEL: @n23(
+define i32 @n26(i32 %x) {
+; ALL-LABEL: @n26(
; ALL-NEXT: entry:
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG349:!dbg !.*]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG408:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG350:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META345:metadata !.*]], metadata !DIExpression()), [[DBG350]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 16777215, [[DBG351:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META346:metadata !.*]], metadata !DIExpression()), [[DBG351]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG352:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META347:metadata !.*]], metadata !DIExpression()), [[DBG352]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG353:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META348:metadata !.*]], metadata !DIExpression()), [[DBG353]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG354:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG409:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META404:metadata !.*]], metadata !DIExpression()), [[DBG409]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 16777215, [[DBG410:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META405:metadata !.*]], metadata !DIExpression()), [[DBG410]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG411:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META406:metadata !.*]], metadata !DIExpression()), [[DBG411]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG412:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META407:metadata !.*]], metadata !DIExpression()), [[DBG412]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG413:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG350]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG355:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG409]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG414:!dbg !.*]]
;
entry:
br label %loop
@@ -1216,23 +1473,23 @@ end:
}
; Bit mask is not a power of 2
-define i32 @n24(i32 %x) {
-; ALL-LABEL: @n24(
+define i32 @n27(i32 %x) {
+; ALL-LABEL: @n27(
; ALL-NEXT: entry:
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG362:!dbg !.*]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG421:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG363:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META358:metadata !.*]], metadata !DIExpression()), [[DBG363]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 384, [[DBG364:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META359:metadata !.*]], metadata !DIExpression()), [[DBG364]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG365:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META360:metadata !.*]], metadata !DIExpression()), [[DBG365]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG366:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META361:metadata !.*]], metadata !DIExpression()), [[DBG366]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG367:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG422:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META417:metadata !.*]], metadata !DIExpression()), [[DBG422]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 384, [[DBG423:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META418:metadata !.*]], metadata !DIExpression()), [[DBG423]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG424:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META419:metadata !.*]], metadata !DIExpression()), [[DBG424]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG425:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META420:metadata !.*]], metadata !DIExpression()), [[DBG425]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG426:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG363]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG368:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG422]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG427:!dbg !.*]]
;
entry:
br label %loop
@@ -1249,23 +1506,23 @@ end:
}
; Bit mask is not a power of 2
-define i32 @n25(i32 %x) {
-; ALL-LABEL: @n25(
+define i32 @n28(i32 %x) {
+; ALL-LABEL: @n28(
; ALL-NEXT: entry:
-; ALL-NEXT: br label [[LOOP:%.*]], [[DBG375:!dbg !.*]]
+; ALL-NEXT: br label [[LOOP:%.*]], [[DBG434:!dbg !.*]]
; ALL: loop:
-; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG376:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META371:metadata !.*]], metadata !DIExpression()), [[DBG376]]
-; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 32896, [[DBG377:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META372:metadata !.*]], metadata !DIExpression()), [[DBG377]]
-; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG378:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META373:metadata !.*]], metadata !DIExpression()), [[DBG378]]
-; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG379:!dbg !.*]]
-; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META374:metadata !.*]], metadata !DIExpression()), [[DBG379]]
-; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG380:!dbg !.*]]
+; ALL-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG435:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META430:metadata !.*]], metadata !DIExpression()), [[DBG435]]
+; ALL-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], 32896, [[DBG436:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META431:metadata !.*]], metadata !DIExpression()), [[DBG436]]
+; ALL-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG437:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META432:metadata !.*]], metadata !DIExpression()), [[DBG437]]
+; ALL-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG438:!dbg !.*]]
+; ALL-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META433:metadata !.*]], metadata !DIExpression()), [[DBG438]]
+; ALL-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG439:!dbg !.*]]
; ALL: end:
-; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG376]]
-; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG381:!dbg !.*]]
+; ALL-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG435]]
+; ALL-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG440:!dbg !.*]]
;
entry:
br label %loop
@@ -1285,59 +1542,59 @@ end:
; Tests with extra cruft.
; If loop body has any extra instructions we don't want to deal with it.
-define i32 @n26(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @n26(
+define i32 @n29(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @n29(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG389:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META384:metadata !.*]], metadata !DIExpression()), [[DBG389]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG390:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG390]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG390]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG390]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG390]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG390]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG390]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG390]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG390]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG390]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG391:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG448:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META443:metadata !.*]], metadata !DIExpression()), [[DBG448]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG449:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG449]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG449]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG449]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG449]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG449]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG449]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG449]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG449]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG449]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG450:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG390]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG390]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META385:metadata !.*]], metadata !DIExpression()), [[DBG390]]
-; LZCNT-NEXT: call void @external_side_effect(), [[DBG392:!dbg !.*]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG393:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META386:metadata !.*]], metadata !DIExpression()), [[DBG393]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG394:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META387:metadata !.*]], metadata !DIExpression()), [[DBG394]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG395:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META388:metadata !.*]], metadata !DIExpression()), [[DBG395]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG396:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG396]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG396]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG449]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG449]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META444:metadata !.*]], metadata !DIExpression()), [[DBG449]]
+; LZCNT-NEXT: call void @external_side_effect(), [[DBG451:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG452:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META445:metadata !.*]], metadata !DIExpression()), [[DBG452]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG453:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META446:metadata !.*]], metadata !DIExpression()), [[DBG453]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG454:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META447:metadata !.*]], metadata !DIExpression()), [[DBG454]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG455:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG455]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG455]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG390]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG397:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG449]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG456:!dbg !.*]]
;
-; NOLZCNT-LABEL: @n26(
+; NOLZCNT-LABEL: @n29(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG389:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META384:metadata !.*]], metadata !DIExpression()), [[DBG389]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG390:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG448:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META443:metadata !.*]], metadata !DIExpression()), [[DBG448]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG449:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG391:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META385:metadata !.*]], metadata !DIExpression()), [[DBG391]]
-; NOLZCNT-NEXT: call void @external_side_effect(), [[DBG392:!dbg !.*]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG393:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META386:metadata !.*]], metadata !DIExpression()), [[DBG393]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG394:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META387:metadata !.*]], metadata !DIExpression()), [[DBG394]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG395:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META388:metadata !.*]], metadata !DIExpression()), [[DBG395]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG396:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG450:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META444:metadata !.*]], metadata !DIExpression()), [[DBG450]]
+; NOLZCNT-NEXT: call void @external_side_effect(), [[DBG451:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG452:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META445:metadata !.*]], metadata !DIExpression()), [[DBG452]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG453:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META446:metadata !.*]], metadata !DIExpression()), [[DBG453]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG454:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META447:metadata !.*]], metadata !DIExpression()), [[DBG454]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG455:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG391]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG397:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG450]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG456:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1355,48 +1612,48 @@ end:
ret i32 %x.curr
}
-define i32 @n27(i32 %x) {
-; LZCNT-LABEL: @n27(
+define i32 @n30(i32 %x) {
+; LZCNT-LABEL: @n30(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG403:!dbg !.*]]
-; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG403]]
-; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG403]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG403]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG403]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG403]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG403]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG404:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), [[DBG462:!dbg !.*]]
+; LZCNT-NEXT: [[X_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_NUMLEADINGZEROS]], [[DBG462]]
+; LZCNT-NEXT: [[X_LEADINGONEPOS:%.*]] = add i32 [[X_NUMACTIVEBITS]], -1, [[DBG462]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 31, [[X_LEADINGONEPOS]], [[DBG462]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG462]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG462]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG462]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG463:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG403]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG403]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META400:metadata !.*]], metadata !DIExpression()), [[DBG403]]
-; LZCNT-NEXT: call void @external_side_effect(), [[DBG405:!dbg !.*]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[TMP0]], -1, [[DBG406:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META401:metadata !.*]], metadata !DIExpression()), [[DBG406]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG407:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META402:metadata !.*]], metadata !DIExpression()), [[DBG407]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG408:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG408]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG408]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG462]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG462]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META459:metadata !.*]], metadata !DIExpression()), [[DBG462]]
+; LZCNT-NEXT: call void @external_side_effect(), [[DBG464:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[TMP0]], -1, [[DBG465:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META460:metadata !.*]], metadata !DIExpression()), [[DBG465]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG466:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META461:metadata !.*]], metadata !DIExpression()), [[DBG466]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG467:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG467]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG467]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG403]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG409:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG462]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG468:!dbg !.*]]
;
-; NOLZCNT-LABEL: @n27(
+; NOLZCNT-LABEL: @n30(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG403:!dbg !.*]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG462:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG404:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META400:metadata !.*]], metadata !DIExpression()), [[DBG404]]
-; NOLZCNT-NEXT: call void @external_side_effect(), [[DBG405:!dbg !.*]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[X_CURR]], -1, [[DBG406:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META401:metadata !.*]], metadata !DIExpression()), [[DBG406]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG407:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META402:metadata !.*]], metadata !DIExpression()), [[DBG407]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG408:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG463:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META459:metadata !.*]], metadata !DIExpression()), [[DBG463]]
+; NOLZCNT-NEXT: call void @external_side_effect(), [[DBG464:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp sgt i32 [[X_CURR]], -1, [[DBG465:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META460:metadata !.*]], metadata !DIExpression()), [[DBG465]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG466:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META461:metadata !.*]], metadata !DIExpression()), [[DBG466]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG467:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG404]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG409:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG463]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG468:!dbg !.*]]
;
entry:
br label %loop
@@ -1413,61 +1670,61 @@ end:
}
; In-loop instructions should not have uses outside of the loop.
-define i32 @n28(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @n28(
+define i32 @n31(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @n31(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG417:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META412:metadata !.*]], metadata !DIExpression()), [[DBG417]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG418:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG418]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG418]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG418]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG418]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG418]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG418]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG418]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG418]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG418]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG419:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG476:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META471:metadata !.*]], metadata !DIExpression()), [[DBG476]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG477:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG477]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG477]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG477]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG477]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG477]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG477]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG477]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG477]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG477]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG478:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG418]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG418]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META413:metadata !.*]], metadata !DIExpression()), [[DBG418]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG420:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META414:metadata !.*]], metadata !DIExpression()), [[DBG420]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG421:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META415:metadata !.*]], metadata !DIExpression()), [[DBG421]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG422:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META416:metadata !.*]], metadata !DIExpression()), [[DBG422]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG423:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG423]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG423]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG477]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG477]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META472:metadata !.*]], metadata !DIExpression()), [[DBG477]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG479:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META473:metadata !.*]], metadata !DIExpression()), [[DBG479]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG480:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META474:metadata !.*]], metadata !DIExpression()), [[DBG480]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG481:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META475:metadata !.*]], metadata !DIExpression()), [[DBG481]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG482:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG482]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG482]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG418]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED_LCSSA:%.*]] = phi i32 [ [[X_CURR_BITMASKED]], [[LOOP]] ], [[DBG420]]
-; LZCNT-NEXT: call void @use32(i32 [[X_CURR_BITMASKED_LCSSA]]), [[DBG424:!dbg !.*]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG425:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG477]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED_LCSSA:%.*]] = phi i32 [ [[X_CURR_BITMASKED]], [[LOOP]] ], [[DBG479]]
+; LZCNT-NEXT: call void @use32(i32 [[X_CURR_BITMASKED_LCSSA]]), [[DBG483:!dbg !.*]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG484:!dbg !.*]]
;
-; NOLZCNT-LABEL: @n28(
+; NOLZCNT-LABEL: @n31(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG417:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META412:metadata !.*]], metadata !DIExpression()), [[DBG417]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG418:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG476:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META471:metadata !.*]], metadata !DIExpression()), [[DBG476]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG477:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG419:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META413:metadata !.*]], metadata !DIExpression()), [[DBG419]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG420:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META414:metadata !.*]], metadata !DIExpression()), [[DBG420]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG421:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META415:metadata !.*]], metadata !DIExpression()), [[DBG421]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG422:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META416:metadata !.*]], metadata !DIExpression()), [[DBG422]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG423:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG478:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META472:metadata !.*]], metadata !DIExpression()), [[DBG478]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG479:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META473:metadata !.*]], metadata !DIExpression()), [[DBG479]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG480:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META474:metadata !.*]], metadata !DIExpression()), [[DBG480]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG481:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META475:metadata !.*]], metadata !DIExpression()), [[DBG481]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG482:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG419]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED_LCSSA:%.*]] = phi i32 [ [[X_CURR_BITMASKED]], [[LOOP]] ], [[DBG420]]
-; NOLZCNT-NEXT: call void @use32(i32 [[X_CURR_BITMASKED_LCSSA]]), [[DBG424:!dbg !.*]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG425:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG478]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED_LCSSA:%.*]] = phi i32 [ [[X_CURR_BITMASKED]], [[LOOP]] ], [[DBG479]]
+; NOLZCNT-NEXT: call void @use32(i32 [[X_CURR_BITMASKED_LCSSA]]), [[DBG483:!dbg !.*]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG484:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
@@ -1484,61 +1741,61 @@ end:
call void @use32(i32 %x.curr.bitmasked)
ret i32 %x.curr
}
-define i32 @n29(i32 %x, i32 %bit) {
-; LZCNT-LABEL: @n29(
+define i32 @n32(i32 %x, i32 %bit) {
+; LZCNT-LABEL: @n32(
; LZCNT-NEXT: entry:
-; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG433:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META428:metadata !.*]], metadata !DIExpression()), [[DBG433]]
-; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG434:!dbg !.*]]
-; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG434]]
-; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG434]]
-; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG434]]
-; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG434]]
-; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG434]]
-; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG434]]
-; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG434]]
-; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG434]]
-; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG434]]
-; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG435:!dbg !.*]]
+; LZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG492:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META487:metadata !.*]], metadata !DIExpression()), [[DBG492]]
+; LZCNT-NEXT: [[BIT_LOWBITMASK:%.*]] = add i32 [[BITMASK]], -1, [[DBG493:!dbg !.*]]
+; LZCNT-NEXT: [[BIT_MASK:%.*]] = or i32 [[BIT_LOWBITMASK]], [[BITMASK]], [[DBG493]]
+; LZCNT-NEXT: [[X_MASKED:%.*]] = and i32 [[X:%.*]], [[BIT_MASK]], [[DBG493]]
+; LZCNT-NEXT: [[X_MASKED_NUMLEADINGZEROS:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X_MASKED]], i1 true), [[DBG493]]
+; LZCNT-NEXT: [[X_MASKED_NUMACTIVEBITS:%.*]] = sub i32 32, [[X_MASKED_NUMLEADINGZEROS]], [[DBG493]]
+; LZCNT-NEXT: [[X_MASKED_LEADINGONEPOS:%.*]] = add i32 [[X_MASKED_NUMACTIVEBITS]], -1, [[DBG493]]
+; LZCNT-NEXT: [[LOOP_BACKEDGETAKENCOUNT:%.*]] = sub i32 [[BIT]], [[X_MASKED_LEADINGONEPOS]], [[DBG493]]
+; LZCNT-NEXT: [[LOOP_TRIPCOUNT:%.*]] = add nuw i32 [[LOOP_BACKEDGETAKENCOUNT]], 1, [[DBG493]]
+; LZCNT-NEXT: [[X_CURR:%.*]] = shl i32 [[X]], [[LOOP_BACKEDGETAKENCOUNT]], [[DBG493]]
+; LZCNT-NEXT: [[X_NEXT:%.*]] = shl i32 [[X]], [[LOOP_TRIPCOUNT]], [[DBG493]]
+; LZCNT-NEXT: br label [[LOOP:%.*]], [[DBG494:!dbg !.*]]
; LZCNT: loop:
-; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG434]]
-; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG434]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META429:metadata !.*]], metadata !DIExpression()), [[DBG434]]
-; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG436:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META430:metadata !.*]], metadata !DIExpression()), [[DBG436]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG437:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META431:metadata !.*]], metadata !DIExpression()), [[DBG437]]
-; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG438:!dbg !.*]]
-; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META432:metadata !.*]], metadata !DIExpression()), [[DBG438]]
-; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG439:!dbg !.*]]
-; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG439]]
-; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG439]]
+; LZCNT-NEXT: [[LOOP_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_IV_NEXT:%.*]], [[LOOP]] ], [[DBG493]]
+; LZCNT-NEXT: [[TMP0:%.*]] = phi i32 [ [[X]], [[ENTRY]] ], [ [[TMP1:%.*]], [[LOOP]] ], [[DBG493]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP0]], [[META488:metadata !.*]], metadata !DIExpression()), [[DBG493]]
+; LZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[TMP0]], [[BITMASK]], [[DBG495:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META489:metadata !.*]], metadata !DIExpression()), [[DBG495]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG496:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META490:metadata !.*]], metadata !DIExpression()), [[DBG496]]
+; LZCNT-NEXT: [[TMP1]] = shl i32 [[TMP0]], 1, [[DBG497:!dbg !.*]]
+; LZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[TMP1]], [[META491:metadata !.*]], metadata !DIExpression()), [[DBG497]]
+; LZCNT-NEXT: [[LOOP_IV_NEXT]] = add nuw i32 [[LOOP_IV]], 1, [[DBG498:!dbg !.*]]
+; LZCNT-NEXT: [[LOOP_IVCHECK:%.*]] = icmp eq i32 [[LOOP_IV_NEXT]], [[LOOP_TRIPCOUNT]], [[DBG498]]
+; LZCNT-NEXT: br i1 [[LOOP_IVCHECK]], label [[END:%.*]], label [[LOOP]], [[DBG498]]
; LZCNT: end:
-; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG434]]
-; LZCNT-NEXT: [[X_CURR_ISBITUNSET_LCSSA:%.*]] = phi i1 [ [[X_CURR_ISBITUNSET]], [[LOOP]] ], [[DBG437]]
-; LZCNT-NEXT: call void @use1(i1 [[X_CURR_ISBITUNSET_LCSSA]]), [[DBG440:!dbg !.*]]
-; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG441:!dbg !.*]]
+; LZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG493]]
+; LZCNT-NEXT: [[X_CURR_ISBITUNSET_LCSSA:%.*]] = phi i1 [ [[X_CURR_ISBITUNSET]], [[LOOP]] ], [[DBG496]]
+; LZCNT-NEXT: call void @use1(i1 [[X_CURR_ISBITUNSET_LCSSA]]), [[DBG499:!dbg !.*]]
+; LZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG500:!dbg !.*]]
;
-; NOLZCNT-LABEL: @n29(
+; NOLZCNT-LABEL: @n32(
; NOLZCNT-NEXT: entry:
-; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG433:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META428:metadata !.*]], metadata !DIExpression()), [[DBG433]]
-; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG434:!dbg !.*]]
+; NOLZCNT-NEXT: [[BITMASK:%.*]] = shl i32 1, [[BIT:%.*]], [[DBG492:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[BITMASK]], [[META487:metadata !.*]], metadata !DIExpression()), [[DBG492]]
+; NOLZCNT-NEXT: br label [[LOOP:%.*]], [[DBG493:!dbg !.*]]
; NOLZCNT: loop:
-; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG435:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META429:metadata !.*]], metadata !DIExpression()), [[DBG435]]
-; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG436:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META430:metadata !.*]], metadata !DIExpression()), [[DBG436]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG437:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META431:metadata !.*]], metadata !DIExpression()), [[DBG437]]
-; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG438:!dbg !.*]]
-; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META432:metadata !.*]], metadata !DIExpression()), [[DBG438]]
-; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG439:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR:%.*]] = phi i32 [ [[X:%.*]], [[ENTRY:%.*]] ], [ [[X_NEXT:%.*]], [[LOOP]] ], [[DBG494:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR]], [[META488:metadata !.*]], metadata !DIExpression()), [[DBG494]]
+; NOLZCNT-NEXT: [[X_CURR_BITMASKED:%.*]] = and i32 [[X_CURR]], [[BITMASK]], [[DBG495:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_CURR_BITMASKED]], [[META489:metadata !.*]], metadata !DIExpression()), [[DBG495]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET:%.*]] = icmp eq i32 [[X_CURR_BITMASKED]], 0, [[DBG496:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i1 [[X_CURR_ISBITUNSET]], [[META490:metadata !.*]], metadata !DIExpression()), [[DBG496]]
+; NOLZCNT-NEXT: [[X_NEXT]] = shl i32 [[X_CURR]], 1, [[DBG497:!dbg !.*]]
+; NOLZCNT-NEXT: call void @llvm.dbg.value(metadata i32 [[X_NEXT]], [[META491:metadata !.*]], metadata !DIExpression()), [[DBG497]]
+; NOLZCNT-NEXT: br i1 [[X_CURR_ISBITUNSET]], label [[LOOP]], label [[END:%.*]], [[DBG498:!dbg !.*]]
; NOLZCNT: end:
-; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG435]]
-; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET_LCSSA:%.*]] = phi i1 [ [[X_CURR_ISBITUNSET]], [[LOOP]] ], [[DBG437]]
-; NOLZCNT-NEXT: call void @use1(i1 [[X_CURR_ISBITUNSET_LCSSA]]), [[DBG440:!dbg !.*]]
-; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG441:!dbg !.*]]
+; NOLZCNT-NEXT: [[X_CURR_LCSSA:%.*]] = phi i32 [ [[X_CURR]], [[LOOP]] ], [[DBG494]]
+; NOLZCNT-NEXT: [[X_CURR_ISBITUNSET_LCSSA:%.*]] = phi i1 [ [[X_CURR_ISBITUNSET]], [[LOOP]] ], [[DBG496]]
+; NOLZCNT-NEXT: call void @use1(i1 [[X_CURR_ISBITUNSET_LCSSA]]), [[DBG499:!dbg !.*]]
+; NOLZCNT-NEXT: ret i32 [[X_CURR_LCSSA]], [[DBG500:!dbg !.*]]
;
entry:
%bitmask = shl i32 1, %bit
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