diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sub-xor.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/sub-xor.ll | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/llvm/test/Transforms/InstCombine/sub-xor.ll b/llvm/test/Transforms/InstCombine/sub-xor.ll deleted file mode 100644 index dda5c748540..00000000000 --- a/llvm/test/Transforms/InstCombine/sub-xor.ll +++ /dev/null @@ -1,50 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt -instcombine -S < %s | FileCheck %s - -define i32 @test1(i32 %x) { -; CHECK-LABEL: @test1( -; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 31 -; CHECK-NEXT: [[SUB:%.*]] = xor i32 [[AND]], 63 -; CHECK-NEXT: ret i32 [[SUB]] -; - %and = and i32 %x, 31 - %sub = sub i32 63, %and - ret i32 %sub -} - -define <2 x i32> @test1vec(<2 x i32> %x) { -; CHECK-LABEL: @test1vec( -; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> %x, <i32 31, i32 31> -; CHECK-NEXT: [[SUB:%.*]] = xor <2 x i32> [[AND]], <i32 63, i32 63> -; CHECK-NEXT: ret <2 x i32> [[SUB]] -; - %and = and <2 x i32> %x, <i32 31, i32 31> - %sub = sub <2 x i32> <i32 63, i32 63>, %and - ret <2 x i32> %sub -} - -declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone - -define i32 @test2(i32 %x) nounwind { -; CHECK-LABEL: @test2( -; CHECK-NEXT: [[COUNT:%.*]] = tail call i32 @llvm.ctlz.i32(i32 %x, i1 true) -; CHECK-NEXT: [[SUB:%.*]] = xor i32 [[COUNT]], 31 -; CHECK-NEXT: ret i32 [[SUB]] -; - %count = tail call i32 @llvm.ctlz.i32(i32 %x, i1 true) nounwind readnone - %sub = sub i32 31, %count - ret i32 %sub -} - -define i32 @test3(i32 %x) { -; CHECK-LABEL: @test3( -; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 31 -; CHECK-NEXT: [[ADD:%.*]] = sub nuw nsw i32 73, [[AND]] -; CHECK-NEXT: ret i32 [[ADD]] -; - %and = and i32 %x, 31 - %sub = xor i32 31, %and - %add = add i32 %sub, 42 - ret i32 %add -} - |