AMDGPU/GlobalISel: Legalize wavefrontsize intrinsic
llvm-svn: 371407
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index c1d5036..5e5c9d7 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -1534,6 +1534,12 @@
return legalizeIsAddrSpace(MI, MRI, B, AMDGPUAS::LOCAL_ADDRESS);
case Intrinsic::amdgcn_is_private:
return legalizeIsAddrSpace(MI, MRI, B, AMDGPUAS::PRIVATE_ADDRESS);
+ case Intrinsic::amdgcn_wavefrontsize: {
+ B.setInstr(MI);
+ B.buildConstant(MI.getOperand(0), ST.getWavefrontSize());
+ MI.eraseFromParent();
+ return true;
+ }
default:
return true;
}