aboutsummaryrefslogtreecommitdiff
path: root/llvm/lib/CodeGen/MachineInstr.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
-rw-r--r--llvm/lib/CodeGen/MachineInstr.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index c1bd0bb..941861d 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -596,6 +596,11 @@ uint32_t MachineInstr::copyFlagsFromInstruction(const Instruction &I) {
MIFlags |= MachineInstr::MIFlag::Disjoint;
}
+ // Copy the samesign flag.
+ if (const ICmpInst *ICmp = dyn_cast<ICmpInst>(&I))
+ if (ICmp->hasSameSign())
+ MIFlags |= MachineInstr::MIFlag::SameSign;
+
// Copy the exact flag.
if (const PossiblyExactOperator *PE = dyn_cast<PossiblyExactOperator>(&I))
if (PE->isExact())
@@ -1770,6 +1775,8 @@ void MachineInstr::print(raw_ostream &OS, ModuleSlotTracker &MST,
OS << "nneg ";
if (getFlag(MachineInstr::Disjoint))
OS << "disjoint ";
+ if (getFlag(MachineInstr::SameSign))
+ OS << "samesign ";
// Print the opcode name.
if (TII)