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Merging r182387:

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r182387 | jholewinski | 2013-05-21 07:37:16 -0700 (Tue, 21 May 2013) | 7 lines

Drop @llvm.annotation and @llvm.ptr.annotation intrinsics during codegen.

The intrinsic calls are dropped, but the annotated value is propagated.

Fixes PR 15253

Original patch by Zeng Bin!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@182417 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-05-21 20:23:13 +00:00
parent bb120a12ce
commit 629c73232c
4 changed files with 44 additions and 0 deletions
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lib/CodeGen/IntrinsicLowering.cpp
+6
View File
@@ -453,6 +453,12 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
break;
case Intrinsic::annotation:
case Intrinsic::ptr_annotation:
// Just drop the annotation, but forward the value
CI->replaceAllUsesWith(CI->getOperand(0));
break;
case Intrinsic::var_annotation:
break; // Strip out annotate intrinsic
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+5
View File
@@ -5034,6 +5034,11 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
setValue(&I, Res);
return 0;
}
case Intrinsic::annotation:
case Intrinsic::ptr_annotation:
// Drop the intrinsic, but forward the value
setValue(&I, getValue(I.getOperand(0)));
return 0;
case Intrinsic::var_annotation:
// Discard annotate attributes
return 0;