diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/BuildLibCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BuildLibCalls.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp index 957935398972..580cfd80141e 100644 --- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp @@ -452,18 +452,17 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) { return Changed; case LibFunc_mempcpy: case LibFunc_memccpy: + Changed |= setWillReturn(F); + LLVM_FALLTHROUGH; + case LibFunc_memcpy_chk: Changed |= setDoesNotThrow(F); Changed |= setOnlyAccessesArgMemory(F); - Changed |= setWillReturn(F); Changed |= setDoesNotAlias(F, 0); Changed |= setOnlyWritesMemory(F, 0); Changed |= setDoesNotAlias(F, 1); Changed |= setDoesNotCapture(F, 1); Changed |= setOnlyReadsMemory(F, 1); return Changed; - case LibFunc_memcpy_chk: - Changed |= setDoesNotThrow(F); - return Changed; case LibFunc_memalign: Changed |= setOnlyAccessesInaccessibleMemory(F); Changed |= setRetNoUndef(F); @@ -1018,9 +1017,8 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) { Changed |= setDoesNotCapture(F, 0); Changed |= setDoesNotCapture(F, 1); return Changed; - // TODO: add LibFunc entries for: - // case LibFunc_memset_pattern4: - // case LibFunc_memset_pattern8: + case LibFunc_memset_pattern4: + case LibFunc_memset_pattern8: case LibFunc_memset_pattern16: Changed |= setOnlyAccessesArgMemory(F); Changed |= setDoesNotCapture(F, 0); @@ -1029,10 +1027,12 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) { Changed |= setOnlyReadsMemory(F, 1); return Changed; case LibFunc_memset: - Changed |= setOnlyAccessesArgMemory(F); Changed |= setWillReturn(F); - Changed |= setDoesNotThrow(F); + LLVM_FALLTHROUGH; + case LibFunc_memset_chk: + Changed |= setOnlyAccessesArgMemory(F); Changed |= setOnlyWritesMemory(F, 0); + Changed |= setDoesNotThrow(F); return Changed; // int __nvvm_reflect(const char *) case LibFunc_nvvm_reflect: |