[llvm] bf540a6 - [InstCombine] Add (icmp ult (X + CA), C1) | (icmp eq X, C2) -> (icmp ule (X + CA), C1) test coverage
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Tue Oct 20 07:18:40 PDT 2020
Author: Simon Pilgrim
Date: 2020-10-20T15:16:47+01:00
New Revision: bf540a64f3fc81cf0f14b5a15765f1ba9909d93e
URL: https://github.com/llvm/llvm-project/commit/bf540a64f3fc81cf0f14b5a15765f1ba9909d93e
DIFF: https://github.com/llvm/llvm-project/commit/bf540a64f3fc81cf0f14b5a15765f1ba9909d93e.diff
LOG: [InstCombine] Add (icmp ult (X + CA), C1) | (icmp eq X, C2) -> (icmp ule (X + CA), C1) test coverage
Add both commuted variants and vector uniform/nonuniform examples
Added:
Modified:
llvm/test/Transforms/InstCombine/or.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/or.ll b/llvm/test/Transforms/InstCombine/or.ll
index e13b5930a298..7e4115cc8934 100644
--- a/llvm/test/Transforms/InstCombine/or.ll
+++ b/llvm/test/Transforms/InstCombine/or.ll
@@ -376,6 +376,79 @@ define i1 @test36(i32 %x) {
ret i1 %ret2
}
+define i1 @test37(i32 %x) {
+; CHECK-LABEL: @test37(
+; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[X:%.*]], 7
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[ADD1]], 31
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %add1 = add i32 %x, 7
+ %cmp1 = icmp ult i32 %add1, 30
+ %cmp2 = icmp eq i32 %x, 23
+ %ret1 = or i1 %cmp1, %cmp2
+ ret i1 %ret1
+}
+
+define <2 x i1> @test37_uniform(<2 x i32> %x) {
+; CHECK-LABEL: @test37_uniform(
+; CHECK-NEXT: [[ADD1:%.*]] = add <2 x i32> [[X:%.*]], <i32 7, i32 7>
+; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[ADD1]], <i32 30, i32 30>
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq <2 x i32> [[X]], <i32 23, i32 23>
+; CHECK-NEXT: [[RET1:%.*]] = or <2 x i1> [[CMP1]], [[CMP2]]
+; CHECK-NEXT: ret <2 x i1> [[RET1]]
+;
+ %add1 = add <2 x i32> %x, <i32 7, i32 7>
+ %cmp1 = icmp ult <2 x i32> %add1, <i32 30, i32 30>
+ %cmp2 = icmp eq <2 x i32> %x, <i32 23, i32 23>
+ %ret1 = or <2 x i1> %cmp1, %cmp2
+ ret <2 x i1> %ret1
+}
+
+define <2 x i1> @test37_undef(<2 x i32> %x) {
+; CHECK-LABEL: @test37_undef(
+; CHECK-NEXT: [[ADD1:%.*]] = add <2 x i32> [[X:%.*]], <i32 7, i32 undef>
+; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[ADD1]], <i32 30, i32 undef>
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq <2 x i32> [[X]], <i32 23, i32 undef>
+; CHECK-NEXT: [[RET1:%.*]] = or <2 x i1> [[CMP1]], [[CMP2]]
+; CHECK-NEXT: ret <2 x i1> [[RET1]]
+;
+ %add1 = add <2 x i32> %x, <i32 7, i32 undef>
+ %cmp1 = icmp ult <2 x i32> %add1, <i32 30, i32 undef>
+ %cmp2 = icmp eq <2 x i32> %x, <i32 23, i32 undef>
+ %ret1 = or <2 x i1> %cmp1, %cmp2
+ ret <2 x i1> %ret1
+}
+
+define i1 @test38(i32 %x) {
+; CHECK-LABEL: @test38(
+; CHECK-NEXT: [[ADD1:%.*]] = add i32 [[X:%.*]], 7
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[X]], 23
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i32 [[ADD1]], 30
+; CHECK-NEXT: [[RET1:%.*]] = or i1 [[CMP1]], [[CMP2]]
+; CHECK-NEXT: ret i1 [[RET1]]
+;
+ %add1 = add i32 %x, 7
+ %cmp1 = icmp eq i32 %x, 23
+ %cmp2 = icmp ult i32 %add1, 30
+ %ret1 = or i1 %cmp1, %cmp2
+ ret i1 %ret1
+}
+
+define <2 x i1> @test38_nonuniform(<2 x i32> %x) {
+; CHECK-LABEL: @test38_nonuniform(
+; CHECK-NEXT: [[ADD1:%.*]] = add <2 x i32> [[X:%.*]], <i32 7, i32 24>
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq <2 x i32> [[X]], <i32 23, i32 8>
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ult <2 x i32> [[ADD1]], <i32 30, i32 32>
+; CHECK-NEXT: [[RET1:%.*]] = or <2 x i1> [[CMP1]], [[CMP2]]
+; CHECK-NEXT: ret <2 x i1> [[RET1]]
+;
+ %add1 = add <2 x i32> %x, <i32 7, i32 24>
+ %cmp1 = icmp eq <2 x i32> %x, <i32 23, i32 8>
+ %cmp2 = icmp ult <2 x i32> %add1, <i32 30, i32 32>
+ %ret1 = or <2 x i1> %cmp1, %cmp2
+ ret <2 x i1> %ret1
+}
+
define i32 @orsext_to_sel(i32 %x, i1 %y) {
; CHECK-LABEL: @orsext_to_sel(
; CHECK-NEXT: [[OR:%.*]] = select i1 [[Y:%.*]], i32 -1, i32 [[X:%.*]]
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