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fix a bitcode reader bug where it can't handle extractelement correctly:

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the index of the value being extracted is always an i32.  This fixes PR3465


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63597 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-02-03 02:11:28 +00:00
parent 3d730f7453
commit ba120aa5fa
2 changed files with 9 additions and 2 deletions
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3
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -915,8 +915,7 @@ bool BitcodeReader::ParseConstants() {
dyn_cast_or_null<VectorType>(getTypeByID(Record[0])); dyn_cast_or_null<VectorType>(getTypeByID(Record[0]));
if (OpTy == 0) return Error("Invalid CE_EXTRACTELT record"); if (OpTy == 0) return Error("Invalid CE_EXTRACTELT record");
Constant *Op0 = ValueList.getConstantFwdRef(Record[1], OpTy); Constant *Op0 = ValueList.getConstantFwdRef(Record[1], OpTy);
Constant *Op1 = ValueList.getConstantFwdRef(Record[2], Constant *Op1 = ValueList.getConstantFwdRef(Record[2], Type::Int32Ty);
OpTy->getElementType());
V = ConstantExpr::getExtractElement(Op0, Op1); V = ConstantExpr::getExtractElement(Op0, Op1);
break; break;
} }

8
test/Bitcode/extractelement.ll Normal file
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@ -0,0 +1,8 @@
; RUN: llvm-as < %s | opt -constprop | llvm-dis
; PR3465
define double @test() {
%tmp24 = extractelement <2 x double> bitcast (<1 x i128> < i128 85070591730234615870450834276742070272 > to <2 x double>), i32 0
ret double %tmp24
}