diff options
| -rw-r--r-- | llvm/lib/Analysis/ConstantFolding.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/load.ll | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index 85390e37708..4657b855d09 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -515,7 +515,7 @@ Constant *FoldReinterpretLoadFromConstPtr(Constant *C, Type *LoadTy, MapTy = Type::getInt64Ty(C->getContext()); else if (LoadTy->isVectorTy()) { MapTy = PointerType::getIntNTy(C->getContext(), - DL.getTypeAllocSizeInBits(LoadTy)); + DL.getTypeSizeInBits(LoadTy)); } else return nullptr; diff --git a/llvm/test/Transforms/InstSimplify/load.ll b/llvm/test/Transforms/InstSimplify/load.ll index 8b2b5a17660..0c2d827acbc 100644 --- a/llvm/test/Transforms/InstSimplify/load.ll +++ b/llvm/test/Transforms/InstSimplify/load.ll @@ -28,3 +28,13 @@ define <8 x i32> @partial_load() { %load = load <8 x i32>, <8 x i32>* bitcast (i32* getelementptr ([8 x i32], [8 x i32]* @GV, i64 0, i64 -1) to <8 x i32>*) ret <8 x i32> %load } + +@constvec = internal constant <3 x float> <float 0xBFDA20BC40000000, float 0xBFE6A09EE0000000, float 0x3FE279A760000000> + +; This does an out of bounds load from the global constant +define <3 x float> @load_vec3() { +; CHECK-LABEL: @load_vec3( +; CHECK-NEXT: ret <3 x float> undef + %1 = load <3 x float>, <3 x float>* getelementptr inbounds (<3 x float>, <3 x float>* @constvec, i64 1) + ret <3 x float> %1 +} |
