diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp | 1 | ||||
| -rw-r--r-- | llvm/test/Analysis/DivergenceAnalysis/AMDGPU/interp-intrinsics.ll | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp index 39da9ddb69e..fabec277707 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp @@ -260,6 +260,7 @@ static bool isIntrinsicSourceOfDivergence(const TargetIntrinsicInfo *TII, return false; case AMDGPUIntrinsic::SI_tid: case AMDGPUIntrinsic::SI_fs_interp: + case AMDGPUIntrinsic::SI_fs_constant: return true; } } diff --git a/llvm/test/Analysis/DivergenceAnalysis/AMDGPU/interp-intrinsics.ll b/llvm/test/Analysis/DivergenceAnalysis/AMDGPU/interp-intrinsics.ll new file mode 100644 index 00000000000..d1c90ba608c --- /dev/null +++ b/llvm/test/Analysis/DivergenceAnalysis/AMDGPU/interp-intrinsics.ll @@ -0,0 +1,22 @@ +; RUN: opt -mtriple amdgcn--- -analyze -divergence %s | FileCheck %s + +; CHECK-LABEL: 'fs_interp' +; CHECK: DIVERGENT: %v = call float @llvm.SI.fs.interp( +define amdgpu_ps void @fs_interp(i32 inreg %prim_mask, <2 x i32> %interp_param) #1 { + %v = call float @llvm.SI.fs.interp(i32 0, i32 0, i32 %prim_mask, <2 x i32> %interp_param) + store volatile float %v, float addrspace(1)* undef + ret void +} + +; CHECK-LABEL: 'fs_constant' +; CHECK: DIVERGENT: %v = call float @llvm.SI.fs.constant( +define amdgpu_ps void @fs_constant(i32 inreg %prim_mask, <2 x i32> %interp_param) #1 { + %v = call float @llvm.SI.fs.constant(i32 0, i32 0, i32 %prim_mask) + store volatile float %v, float addrspace(1)* undef + ret void +} + +declare float @llvm.SI.fs.interp(i32, i32, i32, <2 x i32>) #0 +declare float @llvm.SI.fs.constant(i32, i32, i32) #0 + +attributes #0 = { nounwind readnone } |
