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-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 2b67d89ce5e..7c2052515d2 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -2118,10 +2118,11 @@ static int regBankBoolUnion(int RB0, int RB1) {
return RB0;
// vcc, vcc -> vcc
- if (RB0 == AMDGPU::VCCRegBankID && RB1 == AMDGPU::VCCRegBankID)
+ // vcc, sgpr -> vcc
+ // vcc, vgpr -> vcc
+ if (RB0 == AMDGPU::VCCRegBankID || RB1 == AMDGPU::VCCRegBankID)
return AMDGPU::VCCRegBankID;
- // vcc, sgpr -> vgpr
// vcc, vgpr -> vgpr
return regBankUnion(RB0, RB1);
}
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