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path: root/llvm/lib/Target/X86/X86InstrInfo.cpp
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Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.cpp')
-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index dbe45356c42bf..e039e7125bce0 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -1085,6 +1085,8 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
return nullptr;
case X86::SUB32ri8:
case X86::SUB32ri: {
+ if (!MI.getOperand(2).isImm())
+ return nullptr;
int64_t Imm = MI.getOperand(2).getImm();
if (!isInt<32>(-Imm))
return nullptr;
@@ -1111,6 +1113,8 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
case X86::SUB64ri8:
case X86::SUB64ri32: {
+ if (!MI.getOperand(2).isImm())
+ return nullptr;
int64_t Imm = MI.getOperand(2).getImm();
if (!isInt<32>(-Imm))
return nullptr;