diff options
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp index 1c503c29d55..810861503be 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp @@ -248,10 +248,9 @@ void AMDGPUAtomicOptimizer::optimizeAtomic(Instruction &I, // We need to know how many lanes are active within the wavefront, and we do // this by doing a ballot of active lanes. - CallInst *const Ballot = - B.CreateIntrinsic(Intrinsic::amdgcn_icmp, - {B.getInt64Ty(), B.getInt32Ty()}, - {B.getInt32(1), B.getInt32(0), B.getInt32(33)}); + CallInst *const Ballot = B.CreateIntrinsic( + Intrinsic::amdgcn_icmp, {B.getInt64Ty(), B.getInt32Ty()}, + {B.getInt32(1), B.getInt32(0), B.getInt32(CmpInst::ICMP_NE)}); // We need to know how many lanes are active within the wavefront that are // below us. If we counted each lane linearly starting from 0, a lane is |
