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Generate DEBUG_VALUE comments on x86. The (limited)

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dbg.declare's we currently generate go through both
register allocators without perturbing the results.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94480 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2010-01-26 00:09:58 +00:00
parent cf2e3d108d
commit 5ed17ae92a
3 changed files with 68 additions and 0 deletions
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10
lib/Target/X86/X86FastISel.cpp
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@@ -1153,6 +1153,16 @@ bool X86FastISel::X86VisitIntrinsicCall(IntrinsicInst &I) {
// FIXME: Handle more intrinsics.
switch (I.getIntrinsicID()) {
default: return false;
case Intrinsic::dbg_declare: {
DbgDeclareInst *DI = cast<DbgDeclareInst>(&I);
X86AddressMode AM;
if (!X86SelectAddress(DI->getAddress(), AM))
return false;
const TargetInstrDesc &II = TII.get(TargetInstrInfo::DEBUG_VALUE);
addFullAddress(BuildMI(MBB, DL, II), AM).addImm(0).
addMetadata(DI->getVariable());
return true;
}
case Intrinsic::trap: {
BuildMI(MBB, DL, TII.get(X86::TRAP));
return true;