diff options
Diffstat (limited to 'llvm/lib/Analysis/TargetLibraryInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/TargetLibraryInfo.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp index 270fa9c..35811f7 100644 --- a/llvm/lib/Analysis/TargetLibraryInfo.cpp +++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp @@ -169,7 +169,7 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, TLI.setUnavailable(LibFunc_fgets_unlocked); bool ShouldExtI32Param = false, ShouldExtI32Return = false, - ShouldSignExtI32Param = false; + ShouldSignExtI32Param = false, ShouldSignExtI32Return = false; // PowerPC64, Sparc64, SystemZ need signext/zeroext on i32 parameters and // returns corresponding to C-level ints and unsigned ints. if (T.isPPC64() || T.getArch() == Triple::sparcv9 || @@ -182,9 +182,15 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, if (T.isMIPS() || T.isRISCV64()) { ShouldSignExtI32Param = true; } + // riscv64 needs signext on i32 returns corresponding to both signed and + // unsigned ints. + if (T.isRISCV64()) { + ShouldSignExtI32Return = true; + } TLI.setShouldExtI32Param(ShouldExtI32Param); TLI.setShouldExtI32Return(ShouldExtI32Return); TLI.setShouldSignExtI32Param(ShouldSignExtI32Param); + TLI.setShouldSignExtI32Return(ShouldSignExtI32Return); // Let's assume by default that the size of int is 32 bits, unless the target // is a 16-bit architecture because then it most likely is 16 bits. If that @@ -882,6 +888,7 @@ TargetLibraryInfoImpl::TargetLibraryInfoImpl(const TargetLibraryInfoImpl &TLI) : CustomNames(TLI.CustomNames), ShouldExtI32Param(TLI.ShouldExtI32Param), ShouldExtI32Return(TLI.ShouldExtI32Return), ShouldSignExtI32Param(TLI.ShouldSignExtI32Param), + ShouldSignExtI32Return(TLI.ShouldSignExtI32Return), SizeOfInt(TLI.SizeOfInt) { memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray)); VectorDescs = TLI.VectorDescs; @@ -893,6 +900,7 @@ TargetLibraryInfoImpl::TargetLibraryInfoImpl(TargetLibraryInfoImpl &&TLI) ShouldExtI32Param(TLI.ShouldExtI32Param), ShouldExtI32Return(TLI.ShouldExtI32Return), ShouldSignExtI32Param(TLI.ShouldSignExtI32Param), + ShouldSignExtI32Return(TLI.ShouldSignExtI32Return), SizeOfInt(TLI.SizeOfInt) { std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray), AvailableArray); @@ -905,6 +913,7 @@ TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(const TargetLibraryInfoI ShouldExtI32Param = TLI.ShouldExtI32Param; ShouldExtI32Return = TLI.ShouldExtI32Return; ShouldSignExtI32Param = TLI.ShouldSignExtI32Param; + ShouldSignExtI32Return = TLI.ShouldSignExtI32Return; SizeOfInt = TLI.SizeOfInt; memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray)); return *this; @@ -915,6 +924,7 @@ TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl && ShouldExtI32Param = TLI.ShouldExtI32Param; ShouldExtI32Return = TLI.ShouldExtI32Return; ShouldSignExtI32Param = TLI.ShouldSignExtI32Param; + ShouldSignExtI32Return = TLI.ShouldSignExtI32Return; SizeOfInt = TLI.SizeOfInt; std::move(std::begin(TLI.AvailableArray), std::end(TLI.AvailableArray), AvailableArray); |