fix a bitcode reader bug where it can't handle extractelement correctly:
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
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 8770028..adffe82 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -915,8 +915,7 @@
dyn_cast_or_null<VectorType>(getTypeByID(Record[0]));
if (OpTy == 0) return Error("Invalid CE_EXTRACTELT record");
Constant *Op0 = ValueList.getConstantFwdRef(Record[1], OpTy);
- Constant *Op1 = ValueList.getConstantFwdRef(Record[2],
- OpTy->getElementType());
+ Constant *Op1 = ValueList.getConstantFwdRef(Record[2], Type::Int32Ty);
V = ConstantExpr::getExtractElement(Op0, Op1);
break;
}
diff --git a/test/Bitcode/extractelement.ll b/test/Bitcode/extractelement.ll
new file mode 100644
index 0000000..04cb131
--- /dev/null
+++ b/test/Bitcode/extractelement.ll
@@ -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
+}
+