[llvm] 84b5f7c - [NFC][TypePromotion][AArch64] Tests
Sam Parker via llvm-commits
llvm-commits at lists.llvm.org
Fri May 13 01:29:38 PDT 2022
Author: Sam Parker
Date: 2022-05-13T09:27:42+01:00
New Revision: 84b5f7c38c7201c4d90cd7695fd2fbad1dc422aa
URL: https://github.com/llvm/llvm-project/commit/84b5f7c38c7201c4d90cd7695fd2fbad1dc422aa
DIFF: https://github.com/llvm/llvm-project/commit/84b5f7c38c7201c4d90cd7695fd2fbad1dc422aa.diff
LOG: [NFC][TypePromotion][AArch64] Tests
Simplify existing test and also add it as a codegen test for aarch64.
Added:
llvm/test/CodeGen/AArch64/bfis-in-loop.ll
Modified:
llvm/test/Transforms/TypePromotion/AArch64/trunc-zext-chain.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/AArch64/bfis-in-loop.ll b/llvm/test/CodeGen/AArch64/bfis-in-loop.ll
new file mode 100644
index 0000000000000..ec1389d501ef1
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/bfis-in-loop.ll
@@ -0,0 +1,147 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: opt -mtriple=aarch64-linux-gnu -type-promotion < %s | llc -mtriple=aarch64-linux-gnu -o - | FileCheck %s
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+
+%struct.bar = type { %struct.foo }
+%struct.foo = type { %struct.wobble* }
+%struct.wobble = type { %struct.zot* }
+%struct.zot = type <{ %struct.wobble, %struct.zot*, %struct.wobble*, i8, [7 x i8] }>
+
+ at global = external global %struct.bar, align 8
+
+define i64 @bfis_in_loop_zero() {
+; CHECK-LABEL: bfis_in_loop_zero:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: adrp x9, :got:global
+; CHECK-NEXT: mov x0, xzr
+; CHECK-NEXT: mov w8, wzr
+; CHECK-NEXT: ldr x9, [x9, :got_lo12:global]
+; CHECK-NEXT: ldr x9, [x9]
+; CHECK-NEXT: .LBB0_1: // %midblock
+; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: ldrh w10, [x9, #72]
+; CHECK-NEXT: and x0, x0, #0xffffffff00000000
+; CHECK-NEXT: ldr x12, [x9, #8]
+; CHECK-NEXT: cmp w10, #0
+; CHECK-NEXT: lsr w11, w10, #8
+; CHECK-NEXT: csel w8, w8, w11, eq
+; CHECK-NEXT: cset w11, ne
+; CHECK-NEXT: ldr x9, [x12, #16]
+; CHECK-NEXT: bfi w10, w8, #8, #24
+; CHECK-NEXT: bfi x0, x11, #16, #1
+; CHECK-NEXT: bfxil x0, x10, #0, #16
+; CHECK-NEXT: cbnz x12, .LBB0_1
+; CHECK-NEXT: // %bb.2: // %exit
+; CHECK-NEXT: ret
+entry:
+ %var = load %struct.wobble*, %struct.wobble** getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 0), align 8
+ br label %preheader
+
+preheader:
+ br label %header
+
+header: ; preds = %bb63, %bb
+ %var4 = phi i64 [ %var30, %latch ], [ 0, %preheader ]
+ %var5 = phi %struct.wobble* [ %var38, %latch ], [ %var, %preheader ]
+ %var6 = phi i8 [ %var21, %latch ], [ 0, %preheader ]
+ br label %midblock
+
+midblock: ; preds = %bb9
+ %var15 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 9
+ %var16 = bitcast %struct.wobble* %var15 to i16*
+ %var17 = load i16, i16* %var16, align 8
+ %var18 = icmp eq i16 %var17, 0
+ %var19 = lshr i16 %var17, 8
+ %var20 = trunc i16 %var19 to i8
+ %var21 = select i1 %var18, i8 %var6, i8 %var20
+ %var22 = zext i8 %var21 to i16
+ %var23 = shl nuw i16 %var22, 8
+ %var24 = and i16 %var17, 255
+ %var25 = or i16 %var23, %var24
+ %var26 = select i1 %var18, i64 0, i64 65536
+ %var27 = zext i16 %var25 to i64
+ %var28 = and i64 %var4, -4294967296
+ %var29 = or i64 %var26, %var28
+ %var30 = or i64 %var29, %var27
+ br label %latch
+
+latch: ; preds = %bb14, %bb9
+ %var34 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 1, i32 0
+ %var35 = load %struct.zot*, %struct.zot** %var34, align 8
+ %var36 = icmp eq %struct.zot* %var35, null
+ %var37 = getelementptr inbounds %struct.zot, %struct.zot* %var35, i64 0, i32 2
+ %var38 = load %struct.wobble*, %struct.wobble** %var37, align 8
+ br i1 %var36, label %exit, label %header
+
+exit:
+ ret i64 %var30
+}
+
+define i64 @bfis_in_loop_undef() {
+; CHECK-LABEL: bfis_in_loop_undef:
+; CHECK: // %bb.0: // %entry
+; CHECK-NEXT: adrp x9, :got:global
+; CHECK-NEXT: mov w8, wzr
+; CHECK-NEXT: // implicit-def: $x0
+; CHECK-NEXT: ldr x9, [x9, :got_lo12:global]
+; CHECK-NEXT: ldr x9, [x9]
+; CHECK-NEXT: .LBB1_1: // %midblock
+; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: ldrh w10, [x9, #72]
+; CHECK-NEXT: and x0, x0, #0xffffffff00000000
+; CHECK-NEXT: ldr x12, [x9, #8]
+; CHECK-NEXT: cmp w10, #0
+; CHECK-NEXT: lsr w11, w10, #8
+; CHECK-NEXT: csel w8, w8, w11, eq
+; CHECK-NEXT: cset w11, ne
+; CHECK-NEXT: ldr x9, [x12, #16]
+; CHECK-NEXT: bfi w10, w8, #8, #24
+; CHECK-NEXT: bfi x0, x11, #16, #1
+; CHECK-NEXT: bfxil x0, x10, #0, #16
+; CHECK-NEXT: cbnz x12, .LBB1_1
+; CHECK-NEXT: // %bb.2: // %exit
+; CHECK-NEXT: ret
+entry:
+ %var = load %struct.wobble*, %struct.wobble** getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 0), align 8
+ br label %preheader
+
+preheader:
+ br label %header
+
+header: ; preds = %bb63, %bb
+ %var4 = phi i64 [ %var30, %latch ], [ undef, %preheader ]
+ %var5 = phi %struct.wobble* [ %var38, %latch ], [ %var, %preheader ]
+ %var6 = phi i8 [ %var21, %latch ], [ undef, %preheader ]
+ br label %midblock
+
+midblock: ; preds = %bb9
+ %var15 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 9
+ %var16 = bitcast %struct.wobble* %var15 to i16*
+ %var17 = load i16, i16* %var16, align 8
+ %var18 = icmp eq i16 %var17, 0
+ %var19 = lshr i16 %var17, 8
+ %var20 = trunc i16 %var19 to i8
+ %var21 = select i1 %var18, i8 %var6, i8 %var20
+ %var22 = zext i8 %var21 to i16
+ %var23 = shl nuw i16 %var22, 8
+ %var24 = and i16 %var17, 255
+ %var25 = or i16 %var23, %var24
+ %var26 = select i1 %var18, i64 0, i64 65536
+ %var27 = zext i16 %var25 to i64
+ %var28 = and i64 %var4, -4294967296
+ %var29 = or i64 %var26, %var28
+ %var30 = or i64 %var29, %var27
+ br label %latch
+
+latch: ; preds = %bb14, %bb9
+ %var34 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 1, i32 0
+ %var35 = load %struct.zot*, %struct.zot** %var34, align 8
+ %var36 = icmp eq %struct.zot* %var35, null
+ %var37 = getelementptr inbounds %struct.zot, %struct.zot* %var35, i64 0, i32 2
+ %var38 = load %struct.wobble*, %struct.wobble** %var37, align 8
+ br i1 %var36, label %exit, label %header
+
+exit:
+ ret i64 %var30
+}
diff --git a/llvm/test/Transforms/TypePromotion/AArch64/trunc-zext-chain.ll b/llvm/test/Transforms/TypePromotion/AArch64/trunc-zext-chain.ll
index 2dbbbe7b935e6..1b5d2881477d6 100644
--- a/llvm/test/Transforms/TypePromotion/AArch64/trunc-zext-chain.ll
+++ b/llvm/test/Transforms/TypePromotion/AArch64/trunc-zext-chain.ll
@@ -4,49 +4,33 @@
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
%struct.bar = type { %struct.foo }
-%struct.foo = type { %struct.wobble*, %struct.quux, %struct.eggs }
+%struct.foo = type { %struct.wobble* }
%struct.wobble = type { %struct.zot* }
%struct.zot = type <{ %struct.wobble, %struct.zot*, %struct.wobble*, i8, [7 x i8] }>
-%struct.quux = type { %struct.quux.0 }
-%struct.quux.0 = type { %struct.wobble }
-%struct.eggs = type { %struct.widget }
-%struct.widget = type { i64 }
@global = external global %struct.bar, align 8
-declare void @quux(i64)
-
-define i32 @zext_trunc_i8_i16_i32_i64() {
+define i64 @zext_trunc_i8_i16_i32_i64() {
; CHECK-LABEL: @zext_trunc_i8_i16_i32_i64(
-; CHECK-NEXT: bb:
+; CHECK-NEXT: entry:
; CHECK-NEXT: [[VAR:%.*]] = load %struct.wobble*, %struct.wobble** getelementptr inbounds ([[STRUCT_BAR:%.*]], %struct.bar* @global, i64 0, i32 0, i32 0), align 8
-; CHECK-NEXT: [[VAR1:%.*]] = icmp eq %struct.wobble* [[VAR]], getelementptr inbounds ([[STRUCT_BAR]], %struct.bar* @global, i64 0, i32 0, i32 1, i32 0, i32 0)
-; CHECK-NEXT: br i1 [[VAR1]], label [[BB2:%.*]], label [[BB3:%.*]]
-; CHECK: bb2:
-; CHECK-NEXT: ret i32 0
-; CHECK: bb3:
-; CHECK-NEXT: [[VAR4:%.*]] = phi i64 [ [[VAR33:%.*]], [[BB31:%.*]] ], [ 0, [[BB:%.*]] ]
-; CHECK-NEXT: [[VAR5:%.*]] = phi %struct.wobble* [ [[VAR38:%.*]], [[BB31]] ], [ [[VAR]], [[BB]] ]
-; CHECK-NEXT: [[VAR6:%.*]] = phi i32 [ [[VAR32:%.*]], [[BB31]] ], [ 0, [[BB]] ]
-; CHECK-NEXT: [[VAR7:%.*]] = icmp eq %struct.wobble* [[VAR5]], null
-; CHECK-NEXT: br i1 [[VAR7]], label [[BB8:%.*]], label [[BB9:%.*]]
-; CHECK: bb8:
-; CHECK-NEXT: ret i32 0
-; CHECK: bb9:
-; CHECK-NEXT: [[VAR10:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE:%.*]], %struct.wobble* [[VAR5]], i64 8
-; CHECK-NEXT: [[VAR11:%.*]] = bitcast %struct.wobble* [[VAR10]] to i8*
-; CHECK-NEXT: [[VAR12:%.*]] = load i8, i8* [[VAR11]], align 8
-; CHECK-NEXT: [[VAR13:%.*]] = icmp eq i8 [[VAR12]], 0
-; CHECK-NEXT: br i1 [[VAR13]], label [[BB14:%.*]], label [[BB31]]
-; CHECK: bb14:
-; CHECK-NEXT: [[VAR15:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE]], %struct.wobble* [[VAR5]], i64 9
+; CHECK-NEXT: br label [[PREHEADER:%.*]]
+; CHECK: preheader:
+; CHECK-NEXT: br label [[HEADER:%.*]]
+; CHECK: header:
+; CHECK-NEXT: [[VAR4:%.*]] = phi i64 [ [[VAR30:%.*]], [[LATCH:%.*]] ], [ 0, [[PREHEADER]] ]
+; CHECK-NEXT: [[VAR5:%.*]] = phi %struct.wobble* [ [[VAR38:%.*]], [[LATCH]] ], [ [[VAR]], [[PREHEADER]] ]
+; CHECK-NEXT: [[VAR6:%.*]] = phi i32 [ [[VAR21:%.*]], [[LATCH]] ], [ 0, [[PREHEADER]] ]
+; CHECK-NEXT: br label [[MIDBLOCK:%.*]]
+; CHECK: midblock:
+; CHECK-NEXT: [[VAR15:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE:%.*]], %struct.wobble* [[VAR5]], i64 9
; CHECK-NEXT: [[VAR16:%.*]] = bitcast %struct.wobble* [[VAR15]] to i16*
; CHECK-NEXT: [[VAR17:%.*]] = load i16, i16* [[VAR16]], align 8
; CHECK-NEXT: [[TMP0:%.*]] = zext i16 [[VAR17]] to i32
; CHECK-NEXT: [[VAR18:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: [[VAR19:%.*]] = lshr i32 [[TMP0]], 8
; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[VAR19]], 255
-; CHECK-NEXT: [[VAR21:%.*]] = select i1 [[VAR18]], i32 [[VAR6]], i32 [[TMP1]]
+; CHECK-NEXT: [[VAR21]] = select i1 [[VAR18]], i32 [[VAR6]], i32 [[TMP1]]
; CHECK-NEXT: [[VAR23:%.*]] = shl nuw i32 [[VAR21]], 8
; CHECK-NEXT: [[VAR24:%.*]] = and i32 [[TMP0]], 255
; CHECK-NEXT: [[VAR25:%.*]] = or i32 [[VAR23]], [[VAR24]]
@@ -55,47 +39,32 @@ define i32 @zext_trunc_i8_i16_i32_i64() {
; CHECK-NEXT: [[VAR27:%.*]] = zext i16 [[TMP2]] to i64
; CHECK-NEXT: [[VAR28:%.*]] = and i64 [[VAR4]], -4294967296
; CHECK-NEXT: [[VAR29:%.*]] = or i64 [[VAR26]], [[VAR28]]
-; CHECK-NEXT: [[VAR30:%.*]] = or i64 [[VAR29]], [[VAR27]]
-; CHECK-NEXT: call void @quux(i64 [[VAR30]])
-; CHECK-NEXT: br label [[BB31]]
-; CHECK: bb31:
-; CHECK-NEXT: [[VAR32]] = phi i32 [ [[VAR6]], [[BB9]] ], [ [[VAR21]], [[BB14]] ]
-; CHECK-NEXT: [[VAR33]] = phi i64 [ [[VAR4]], [[BB9]] ], [ [[VAR30]], [[BB14]] ]
+; CHECK-NEXT: [[VAR30]] = or i64 [[VAR29]], [[VAR27]]
+; CHECK-NEXT: br label [[LATCH]]
+; CHECK: latch:
; CHECK-NEXT: [[VAR34:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE]], %struct.wobble* [[VAR5]], i64 1, i32 0
; CHECK-NEXT: [[VAR35:%.*]] = load %struct.zot*, %struct.zot** [[VAR34]], align 8
; CHECK-NEXT: [[VAR36:%.*]] = icmp eq %struct.zot* [[VAR35]], null
; CHECK-NEXT: [[VAR37:%.*]] = getelementptr inbounds [[STRUCT_ZOT:%.*]], %struct.zot* [[VAR35]], i64 0, i32 2
; CHECK-NEXT: [[VAR38]] = load %struct.wobble*, %struct.wobble** [[VAR37]], align 8
-; CHECK-NEXT: br i1 [[VAR36]], label [[BB32:%.*]], label [[BB3]]
-; CHECK: bb32:
-; CHECK-NEXT: ret i32 1
+; CHECK-NEXT: br i1 [[VAR36]], label [[EXIT:%.*]], label [[HEADER]]
+; CHECK: exit:
+; CHECK-NEXT: ret i64 [[VAR30]]
;
-bb:
+entry:
%var = load %struct.wobble*, %struct.wobble** getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 0), align 8
- %var1 = icmp eq %struct.wobble* %var, getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 1, i32 0, i32 0)
- br i1 %var1, label %bb2, label %bb3
-
-bb2: ; preds = %bb63, %bb
- ret i32 0
-
-bb3: ; preds = %bb63, %bb
- %var4 = phi i64 [ %var33, %bb31 ], [ 0, %bb ]
- %var5 = phi %struct.wobble* [ %var38, %bb31 ], [ %var, %bb ]
- %var6 = phi i8 [ %var32, %bb31 ], [ 0, %bb ]
- %var7 = icmp eq %struct.wobble* %var5, null
- br i1 %var7, label %bb8, label %bb9
+ br label %preheader
-bb8: ; preds = %bb3
- ret i32 0
+preheader:
+ br label %header
-bb9: ; preds = %bb3
- %var10 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 8
- %var11 = bitcast %struct.wobble* %var10 to i8*
- %var12 = load i8, i8* %var11, align 8
- %var13 = icmp eq i8 %var12, 0
- br i1 %var13, label %bb14, label %bb31
+header: ; preds = %bb63, %bb
+ %var4 = phi i64 [ %var30, %latch ], [ 0, %preheader ]
+ %var5 = phi %struct.wobble* [ %var38, %latch ], [ %var, %preheader ]
+ %var6 = phi i8 [ %var21, %latch ], [ 0, %preheader ]
+ br label %midblock
-bb14: ; preds = %bb9
+midblock: ; preds = %bb9
%var15 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 9
%var16 = bitcast %struct.wobble* %var15 to i16*
%var17 = load i16, i16* %var16, align 8
@@ -112,54 +81,41 @@ bb14: ; preds = %bb9
%var28 = and i64 %var4, -4294967296
%var29 = or i64 %var26, %var28
%var30 = or i64 %var29, %var27
- call void @quux(i64 %var30)
- br label %bb31
+ br label %latch
-bb31: ; preds = %bb14, %bb9
- %var32 = phi i8 [ %var6, %bb9 ], [ %var21, %bb14 ]
- %var33 = phi i64 [ %var4, %bb9 ], [ %var30, %bb14 ]
+latch: ; preds = %bb14, %bb9
%var34 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 1, i32 0
%var35 = load %struct.zot*, %struct.zot** %var34, align 8
%var36 = icmp eq %struct.zot* %var35, null
%var37 = getelementptr inbounds %struct.zot, %struct.zot* %var35, i64 0, i32 2
%var38 = load %struct.wobble*, %struct.wobble** %var37, align 8
- br i1 %var36, label %bb32, label %bb3
+ br i1 %var36, label %exit, label %header
-bb32:
- ret i32 1
+exit:
+ ret i64 %var30
}
-define i32 @with_undef() {
+define i64 @with_undef() {
; CHECK-LABEL: @with_undef(
-; CHECK-NEXT: bb:
+; CHECK-NEXT: entry:
; CHECK-NEXT: [[VAR:%.*]] = load %struct.wobble*, %struct.wobble** getelementptr inbounds ([[STRUCT_BAR:%.*]], %struct.bar* @global, i64 0, i32 0, i32 0), align 8
-; CHECK-NEXT: [[VAR1:%.*]] = icmp eq %struct.wobble* [[VAR]], getelementptr inbounds ([[STRUCT_BAR]], %struct.bar* @global, i64 0, i32 0, i32 1, i32 0, i32 0)
-; CHECK-NEXT: br i1 [[VAR1]], label [[BB2:%.*]], label [[BB3:%.*]]
-; CHECK: bb2:
-; CHECK-NEXT: ret i32 0
-; CHECK: bb3:
-; CHECK-NEXT: [[VAR4:%.*]] = phi i64 [ [[VAR33:%.*]], [[BB31:%.*]] ], [ undef, [[BB:%.*]] ]
-; CHECK-NEXT: [[VAR5:%.*]] = phi %struct.wobble* [ [[VAR38:%.*]], [[BB31]] ], [ [[VAR]], [[BB]] ]
-; CHECK-NEXT: [[VAR6:%.*]] = phi i32 [ [[VAR32:%.*]], [[BB31]] ], [ 0, [[BB]] ]
-; CHECK-NEXT: [[VAR7:%.*]] = icmp eq %struct.wobble* [[VAR5]], null
-; CHECK-NEXT: br i1 [[VAR7]], label [[BB8:%.*]], label [[BB9:%.*]]
-; CHECK: bb8:
-; CHECK-NEXT: ret i32 0
-; CHECK: bb9:
-; CHECK-NEXT: [[VAR10:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE:%.*]], %struct.wobble* [[VAR5]], i64 8
-; CHECK-NEXT: [[VAR11:%.*]] = bitcast %struct.wobble* [[VAR10]] to i8*
-; CHECK-NEXT: [[VAR12:%.*]] = load i8, i8* [[VAR11]], align 8
-; CHECK-NEXT: [[VAR13:%.*]] = icmp eq i8 [[VAR12]], 0
-; CHECK-NEXT: br i1 [[VAR13]], label [[BB14:%.*]], label [[BB31]]
-; CHECK: bb14:
-; CHECK-NEXT: [[VAR15:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE]], %struct.wobble* [[VAR5]], i64 9
+; CHECK-NEXT: br label [[PREHEADER:%.*]]
+; CHECK: preheader:
+; CHECK-NEXT: br label [[HEADER:%.*]]
+; CHECK: header:
+; CHECK-NEXT: [[VAR4:%.*]] = phi i64 [ [[VAR30:%.*]], [[LATCH:%.*]] ], [ undef, [[PREHEADER]] ]
+; CHECK-NEXT: [[VAR5:%.*]] = phi %struct.wobble* [ [[VAR38:%.*]], [[LATCH]] ], [ [[VAR]], [[PREHEADER]] ]
+; CHECK-NEXT: [[VAR6:%.*]] = phi i32 [ [[VAR21:%.*]], [[LATCH]] ], [ 0, [[PREHEADER]] ]
+; CHECK-NEXT: br label [[MIDBLOCK:%.*]]
+; CHECK: midblock:
+; CHECK-NEXT: [[VAR15:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE:%.*]], %struct.wobble* [[VAR5]], i64 9
; CHECK-NEXT: [[VAR16:%.*]] = bitcast %struct.wobble* [[VAR15]] to i16*
; CHECK-NEXT: [[VAR17:%.*]] = load i16, i16* [[VAR16]], align 8
; CHECK-NEXT: [[TMP0:%.*]] = zext i16 [[VAR17]] to i32
; CHECK-NEXT: [[VAR18:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: [[VAR19:%.*]] = lshr i32 [[TMP0]], 8
; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[VAR19]], 255
-; CHECK-NEXT: [[VAR21:%.*]] = select i1 [[VAR18]], i32 [[VAR6]], i32 [[TMP1]]
+; CHECK-NEXT: [[VAR21]] = select i1 [[VAR18]], i32 [[VAR6]], i32 [[TMP1]]
; CHECK-NEXT: [[VAR23:%.*]] = shl nuw i32 [[VAR21]], 8
; CHECK-NEXT: [[VAR24:%.*]] = and i32 [[TMP0]], 255
; CHECK-NEXT: [[VAR25:%.*]] = or i32 [[VAR23]], [[VAR24]]
@@ -168,47 +124,32 @@ define i32 @with_undef() {
; CHECK-NEXT: [[VAR27:%.*]] = zext i16 [[TMP2]] to i64
; CHECK-NEXT: [[VAR28:%.*]] = and i64 [[VAR4]], -4294967296
; CHECK-NEXT: [[VAR29:%.*]] = or i64 [[VAR26]], [[VAR28]]
-; CHECK-NEXT: [[VAR30:%.*]] = or i64 [[VAR29]], [[VAR27]]
-; CHECK-NEXT: call void @quux(i64 [[VAR30]])
-; CHECK-NEXT: br label [[BB31]]
-; CHECK: bb31:
-; CHECK-NEXT: [[VAR32]] = phi i32 [ [[VAR6]], [[BB9]] ], [ [[VAR21]], [[BB14]] ]
-; CHECK-NEXT: [[VAR33]] = phi i64 [ [[VAR4]], [[BB9]] ], [ [[VAR30]], [[BB14]] ]
+; CHECK-NEXT: [[VAR30]] = or i64 [[VAR29]], [[VAR27]]
+; CHECK-NEXT: br label [[LATCH]]
+; CHECK: latch:
; CHECK-NEXT: [[VAR34:%.*]] = getelementptr inbounds [[STRUCT_WOBBLE]], %struct.wobble* [[VAR5]], i64 1, i32 0
; CHECK-NEXT: [[VAR35:%.*]] = load %struct.zot*, %struct.zot** [[VAR34]], align 8
; CHECK-NEXT: [[VAR36:%.*]] = icmp eq %struct.zot* [[VAR35]], null
; CHECK-NEXT: [[VAR37:%.*]] = getelementptr inbounds [[STRUCT_ZOT:%.*]], %struct.zot* [[VAR35]], i64 0, i32 2
; CHECK-NEXT: [[VAR38]] = load %struct.wobble*, %struct.wobble** [[VAR37]], align 8
-; CHECK-NEXT: br i1 [[VAR36]], label [[BB32:%.*]], label [[BB3]]
-; CHECK: bb32:
-; CHECK-NEXT: ret i32 1
+; CHECK-NEXT: br i1 [[VAR36]], label [[EXIT:%.*]], label [[HEADER]]
+; CHECK: exit:
+; CHECK-NEXT: ret i64 [[VAR30]]
;
-bb:
+entry:
%var = load %struct.wobble*, %struct.wobble** getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 0), align 8
- %var1 = icmp eq %struct.wobble* %var, getelementptr inbounds (%struct.bar, %struct.bar* @global, i64 0, i32 0, i32 1, i32 0, i32 0)
- br i1 %var1, label %bb2, label %bb3
-
-bb2: ; preds = %bb63, %bb
- ret i32 0
-
-bb3: ; preds = %bb63, %bb
- %var4 = phi i64 [ %var33, %bb31 ], [ undef, %bb ]
- %var5 = phi %struct.wobble* [ %var38, %bb31 ], [ %var, %bb ]
- %var6 = phi i8 [ %var32, %bb31 ], [ undef, %bb ]
- %var7 = icmp eq %struct.wobble* %var5, null
- br i1 %var7, label %bb8, label %bb9
+ br label %preheader
-bb8: ; preds = %bb3
- ret i32 0
+preheader:
+ br label %header
-bb9: ; preds = %bb3
- %var10 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 8
- %var11 = bitcast %struct.wobble* %var10 to i8*
- %var12 = load i8, i8* %var11, align 8
- %var13 = icmp eq i8 %var12, 0
- br i1 %var13, label %bb14, label %bb31
+header: ; preds = %bb63, %bb
+ %var4 = phi i64 [ %var30, %latch ], [ undef, %preheader ]
+ %var5 = phi %struct.wobble* [ %var38, %latch ], [ %var, %preheader ]
+ %var6 = phi i8 [ %var21, %latch ], [ undef, %preheader ]
+ br label %midblock
-bb14: ; preds = %bb9
+midblock: ; preds = %bb9
%var15 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 9
%var16 = bitcast %struct.wobble* %var15 to i16*
%var17 = load i16, i16* %var16, align 8
@@ -225,19 +166,16 @@ bb14: ; preds = %bb9
%var28 = and i64 %var4, -4294967296
%var29 = or i64 %var26, %var28
%var30 = or i64 %var29, %var27
- call void @quux(i64 %var30)
- br label %bb31
+ br label %latch
-bb31: ; preds = %bb14, %bb9
- %var32 = phi i8 [ %var6, %bb9 ], [ %var21, %bb14 ]
- %var33 = phi i64 [ %var4, %bb9 ], [ %var30, %bb14 ]
+latch: ; preds = %bb14, %bb9
%var34 = getelementptr inbounds %struct.wobble, %struct.wobble* %var5, i64 1, i32 0
%var35 = load %struct.zot*, %struct.zot** %var34, align 8
%var36 = icmp eq %struct.zot* %var35, null
%var37 = getelementptr inbounds %struct.zot, %struct.zot* %var35, i64 0, i32 2
%var38 = load %struct.wobble*, %struct.wobble** %var37, align 8
- br i1 %var36, label %bb32, label %bb3
+ br i1 %var36, label %exit, label %header
-bb32:
- ret i32 1
+exit:
+ ret i64 %var30
}
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