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-rw-r--r--llvm/lib/Target/AMDGPU/SIInstrInfo.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
index ec8a7f0ad93..d51110bcbd6 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
@@ -138,6 +138,11 @@ bool SIInstrInfo::areLoadsFromSameBasePtr(SDNode *Load0, SDNode *Load1,
}
if (isSMRD(Opc0) && isSMRD(Opc1)) {
+ // Skip time and cache invalidation instructions.
+ if (AMDGPU::getNamedOperandIdx(Opc0, AMDGPU::OpName::sbase) == -1 ||
+ AMDGPU::getNamedOperandIdx(Opc1, AMDGPU::OpName::sbase) == -1)
+ return false;
+
assert(getNumOperandsNoGlue(Load0) == getNumOperandsNoGlue(Load1));
// Check base reg.
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