diff options
| -rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 2 | ||||
| -rw-r--r-- | test/Transforms/ConstProp/loads.ll | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 4b0b9a54c7..eaf90d014f 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -432,7 +432,7 @@ Constant *llvm::ConstantFoldLoadFromConstPtr(Constant *C, // Instead of loading constant c string, use corresponding integer value // directly if string length is small enough. std::string Str; - if (TD && GetConstantStringInfo(CE->getOperand(0), Str) && !Str.empty()) { + if (TD && GetConstantStringInfo(CE, Str) && !Str.empty()) { unsigned StrLen = Str.length(); const Type *Ty = cast<PointerType>(CE->getType())->getElementType(); unsigned NumBits = Ty->getPrimitiveSizeInBits(); diff --git a/test/Transforms/ConstProp/loads.ll b/test/Transforms/ConstProp/loads.ll index edd26b8772..9151d256b0 100644 --- a/test/Transforms/ConstProp/loads.ll +++ b/test/Transforms/ConstProp/loads.ll @@ -101,3 +101,12 @@ entry: } +; PR5551 +@test12g = private constant [6 x i8] c"a\00b\00\00\00" + +define i16 @test12() { + %a = load i16* getelementptr inbounds ([3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1) + ret i16 %a +; CHECK: @test12 +; CHECK: ret i16 98 +} |