[llvm] r299450 - [InstCombine] Add more test cases for missing combines of selects with and/or/xor with constant argument. NFC

Craig Topper via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 4 10:48:09 PDT 2017


Author: ctopper
Date: Tue Apr  4 12:48:08 2017
New Revision: 299450

URL: http://llvm.org/viewvc/llvm-project?rev=299450&view=rev
Log:
[InstCombine] Add more test cases for missing combines of selects with and/or/xor with constant argument. NFC

Modified:
    llvm/trunk/test/Transforms/InstCombine/and.ll
    llvm/trunk/test/Transforms/InstCombine/or.ll
    llvm/trunk/test/Transforms/InstCombine/xor.ll

Modified: llvm/trunk/test/Transforms/InstCombine/and.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/and.ll?rev=299450&r1=299449&r2=299450&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/and.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/and.ll Tue Apr  4 12:48:08 2017
@@ -494,3 +494,34 @@ define i64 @test39(i32 %X) {
   %res = and i64 %zsub, 240
   ret i64 %res
 }
+
+define i32 @test40(i1 %C) {
+; CHECK-LABEL: @test40(
+; CHECK-NEXT:    [[A:%.*]] = select i1 [[C:%.*]], i32 104, i32 10
+; CHECK-NEXT:    ret i32 [[A]]
+;
+  %A = select i1 %C, i32 1000, i32 10
+  %V = and i32 %A, 123
+  ret i32 %V
+}
+
+define <2 x i32> @test40vec(i1 %C) {
+; CHECK-LABEL: @test40vec(
+; CHECK-NEXT:    [[A:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 104, i32 104>, <2 x i32> <i32 10, i32 10>
+; CHECK-NEXT:    ret <2 x i32> [[A]]
+;
+  %A = select i1 %C, <2 x i32> <i32 1000, i32 1000>, <2 x i32> <i32 10, i32 10>
+  %V = and <2 x i32> %A, <i32 123, i32 123>
+  ret <2 x i32> %V
+}
+
+define <2 x i32> @test40vec2(i1 %C) {
+; CHECK-LABEL: @test40vec2(
+; CHECK-NEXT:    [[A:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+; CHECK-NEXT:    [[V:%.*]] = and <2 x i32> [[A]], <i32 123, i32 333>
+; CHECK-NEXT:    ret <2 x i32> [[V]]
+;
+  %A = select i1 %C, <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+  %V = and <2 x i32> %A, <i32 123, i32 333>
+  ret <2 x i32> %V
+}

Modified: llvm/trunk/test/Transforms/InstCombine/or.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/or.ll?rev=299450&r1=299449&r2=299450&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/or.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/or.ll Tue Apr  4 12:48:08 2017
@@ -722,3 +722,14 @@ define <2 x i32> @test49vec(i1 %C) {
   %V = or <2 x i32> %A, <i32 123, i32 123>
   ret <2 x i32> %V
 }
+
+define <2 x i32> @test49vec2(i1 %C) {
+; CHECK-LABEL: @test49vec2(
+; CHECK-NEXT:    [[A:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+; CHECK-NEXT:    [[V:%.*]] = or <2 x i32> [[A]], <i32 123, i32 333>
+; CHECK-NEXT:    ret <2 x i32> [[V]]
+;
+  %A = select i1 %C, <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+  %V = or <2 x i32> %A, <i32 123, i32 333>
+  ret <2 x i32> %V
+}

Modified: llvm/trunk/test/Transforms/InstCombine/xor.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/xor.ll?rev=299450&r1=299449&r2=299450&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/xor.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/xor.ll Tue Apr  4 12:48:08 2017
@@ -373,3 +373,14 @@ define <2 x i32> @test29vec(i1 %C) {
   %V = xor <2 x i32> %A, <i32 123, i32 123>
   ret <2 x i32> %V
 }
+
+define <2 x i32> @test29vec2(i1 %C) {
+; CHECK-LABEL: @test29vec2(
+; CHECK-NEXT:    [[A:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+; CHECK-NEXT:    [[V:%.*]] = xor <2 x i32> [[A]], <i32 123, i32 333>
+; CHECK-NEXT:    ret <2 x i32> [[V]]
+;
+  %A = select i1 %C, <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
+  %V = xor <2 x i32> %A, <i32 123, i32 333>
+  ret <2 x i32> %V
+}




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