[GISel]: Attach missing range metadata while translating G_LOADs
https://reviews.llvm.org/D65048
Attach range information to G_LOAD when only defining one register.
reviewed by: arsenm
llvm-svn: 366656
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index f322445..7c90d57 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -879,7 +879,8 @@
return true;
}
-
+ const MDNode *Ranges =
+ Regs.size() == 1 ? LI.getMetadata(LLVMContext::MD_range) : nullptr;
for (unsigned i = 0; i < Regs.size(); ++i) {
Register Addr;
MIRBuilder.materializeGEP(Addr, Base, OffsetTy, Offsets[i] / 8);
@@ -888,7 +889,7 @@
unsigned BaseAlign = getMemOpAlignment(LI);
auto MMO = MF->getMachineMemOperand(
Ptr, Flags, (MRI->getType(Regs[i]).getSizeInBits() + 7) / 8,
- MinAlign(BaseAlign, Offsets[i] / 8), AAMDNodes(), nullptr,
+ MinAlign(BaseAlign, Offsets[i] / 8), AAMDNodes(), Ranges,
LI.getSyncScopeID(), LI.getOrdering());
MIRBuilder.buildLoad(Regs[i], Addr, *MMO);
}