AMDGPU: Also look for s_cbranch_vccz
llvm-svn: 270091
diff --git a/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
index da7cb5f..6860994 100644
--- a/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
@@ -158,7 +158,8 @@
// When a uniform loop is inside non-uniform control flow, the branch
// leaving the loop might be an S_CBRANCH_VCCNZ, which is never taken
// when EXEC = 0. We should skip the loop lest it becomes infinite.
- if (I->getOpcode() == AMDGPU::S_CBRANCH_VCCNZ)
+ if (I->getOpcode() == AMDGPU::S_CBRANCH_VCCNZ ||
+ I->getOpcode() == AMDGPU::S_CBRANCH_VCCZ)
return true;
if (++NumInstr >= SkipThreshold)