diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/ffs-1.ll | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index 83839e962e1..bb03c98b492 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1436,7 +1436,7 @@ Value *LibCallSimplifier::optimizeFFS(CallInst *CI, IRBuilder<> &B) { Type *ArgType = Op->getType(); Value *F = Intrinsic::getDeclaration(Callee->getParent(), Intrinsic::cttz, ArgType); - Value *V = B.CreateCall(F, {Op, B.getFalse()}, "cttz"); + Value *V = B.CreateCall(F, {Op, B.getTrue()}, "cttz"); V = B.CreateAdd(V, ConstantInt::get(V->getType(), 1)); V = B.CreateIntCast(V, B.getInt32Ty(), false); diff --git a/llvm/test/Transforms/InstCombine/ffs-1.ll b/llvm/test/Transforms/InstCombine/ffs-1.ll index c8763dc199a..30002581cf5 100644 --- a/llvm/test/Transforms/InstCombine/ffs-1.ll +++ b/llvm/test/Transforms/InstCombine/ffs-1.ll @@ -102,7 +102,7 @@ define i32 @test_simplify12() { define i32 @test_simplify13(i32 %x) { ; CHECK-LABEL: @test_simplify13( %ret = call i32 @ffs(i32 %x) -; CHECK-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 false) +; CHECK-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 true) ; CHECK-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i32 [[CTTZ]], 1 ; CHECK-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i32 %x, 0 ; CHECK-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[INC]], i32 0 @@ -113,7 +113,7 @@ define i32 @test_simplify13(i32 %x) { define i32 @test_simplify14(i32 %x) { ; CHECK-LINUX-LABEL: @test_simplify14( %ret = call i32 @ffsl(i32 %x) -; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 false) +; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 true) ; CHECK-LINUX-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i32 [[CTTZ]], 1 ; CHECK-LINUX-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i32 %x, 0 ; CHECK-LINUX-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[INC]], i32 0 @@ -124,7 +124,7 @@ define i32 @test_simplify14(i32 %x) { define i32 @test_simplify15(i64 %x) { ; CHECK-LINUX-LABEL: @test_simplify15( %ret = call i32 @ffsll(i64 %x) -; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i64 @llvm.cttz.i64(i64 %x, i1 false) +; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i64 @llvm.cttz.i64(i64 %x, i1 true) ; CHECK-LINUX-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i64 [[CTTZ]], 1 ; CHECK-LINUX-NEXT: [[TRUNC:%[a-z0-9]+]] = trunc i64 [[INC]] to i32 ; CHECK-LINUX-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i64 %x, 0 |
