diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LowerAtomic.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/Transforms/LowerAtomic/atomic-load.ll | 22 |
2 files changed, 28 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LowerAtomic.cpp b/llvm/lib/Transforms/Scalar/LowerAtomic.cpp index f39ca239644..e076424d904 100644 --- a/llvm/lib/Transforms/Scalar/LowerAtomic.cpp +++ b/llvm/lib/Transforms/Scalar/LowerAtomic.cpp @@ -86,6 +86,12 @@ static bool LowerAtomicRMWInst(AtomicRMWInst *RMWI) { Res = Builder.CreateSelect(Builder.CreateICmpULT(Orig, Val), Orig, Val); break; + case AtomicRMWInst::FAdd: + Res = Builder.CreateFAdd(Orig, Val); + break; + case AtomicRMWInst::FSub: + Res = Builder.CreateFSub(Orig, Val); + break; } Builder.CreateStore(Res, Ptr); RMWI->replaceAllUsesWith(Orig); diff --git a/llvm/test/Transforms/LowerAtomic/atomic-load.ll b/llvm/test/Transforms/LowerAtomic/atomic-load.ll index e73417f3d40..f4988c20b6a 100644 --- a/llvm/test/Transforms/LowerAtomic/atomic-load.ll +++ b/llvm/test/Transforms/LowerAtomic/atomic-load.ll @@ -35,3 +35,25 @@ define i8 @min() { ret i8 %j ; CHECK: ret i8 [[INST]] } + +define float @fadd() { +; CHECK-LABEL: @fadd( + %i = alloca float + %j = atomicrmw fadd float* %i, float 42.0 monotonic +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: fadd +; CHECK-NEXT: store + ret float %j +; CHECK: ret float [[INST]] +} + +define float @fsub() { +; CHECK-LABEL: @fsub( + %i = alloca float + %j = atomicrmw fsub float* %i, float 42.0 monotonic +; CHECK: [[INST:%[a-z0-9]+]] = load +; CHECK-NEXT: fsub +; CHECK-NEXT: store + ret float %j +; CHECK: ret float [[INST]] +} |
