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Pre-fill LibcallRoutineNames with nullptr.

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And rearrange InitLibcallNames slightly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266142 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
James Y Knight 2016-04-12 22:32:47 +00:00
parent 69f961c26e
commit 2a29a67bad
1 changed files with 12 additions and 32 deletions
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44
lib/CodeGen/TargetLoweringBase.cpp
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@ -87,18 +87,6 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
Names[RTLIB::UREM_I64] = "__umoddi3";
Names[RTLIB::UREM_I128] = "__umodti3";
// These are generally not available.
Names[RTLIB::SDIVREM_I8] = nullptr;
Names[RTLIB::SDIVREM_I16] = nullptr;
Names[RTLIB::SDIVREM_I32] = nullptr;
Names[RTLIB::SDIVREM_I64] = nullptr;
Names[RTLIB::SDIVREM_I128] = nullptr;
Names[RTLIB::UDIVREM_I8] = nullptr;
Names[RTLIB::UDIVREM_I16] = nullptr;
Names[RTLIB::UDIVREM_I32] = nullptr;
Names[RTLIB::UDIVREM_I64] = nullptr;
Names[RTLIB::UDIVREM_I128] = nullptr;
Names[RTLIB::NEG_I32] = "__negsi2";
Names[RTLIB::NEG_I64] = "__negdi2";
Names[RTLIB::ADD_F32] = "__addsf3";
@ -236,8 +224,16 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
Names[RTLIB::FPEXT_F64_F128] = "__extenddftf2";
Names[RTLIB::FPEXT_F32_F128] = "__extendsftf2";
Names[RTLIB::FPEXT_F32_F64] = "__extendsfdf2";
Names[RTLIB::FPEXT_F16_F32] = "__gnu_h2f_ieee";
Names[RTLIB::FPROUND_F32_F16] = "__gnu_f2h_ieee";
if (TT.isOSDarwin()) {
// For f16/f32 conversions, Darwin uses the standard naming scheme, instead
// of the gnueabi-style __gnu_*_ieee.
// FIXME: What about other targets?
Names[RTLIB::FPEXT_F16_F32] = "__extendhfsf2";
Names[RTLIB::FPROUND_F32_F16] = "__truncsfhf2";
} else {
Names[RTLIB::FPEXT_F16_F32] = "__gnu_h2f_ieee";
Names[RTLIB::FPROUND_F32_F16] = "__gnu_f2h_ieee";
}
Names[RTLIB::FPROUND_F64_F16] = "__truncdfhf2";
Names[RTLIB::FPROUND_F80_F16] = "__truncxfhf2";
Names[RTLIB::FPROUND_F128_F16] = "__trunctfhf2";
@ -471,28 +467,10 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
Names[RTLIB::SINCOS_F80] = "sincosl";
Names[RTLIB::SINCOS_F128] = "sincosl";
Names[RTLIB::SINCOS_PPCF128] = "sincosl";
} else {
// These are generally not available.
Names[RTLIB::SINCOS_F32] = nullptr;
Names[RTLIB::SINCOS_F64] = nullptr;
Names[RTLIB::SINCOS_F80] = nullptr;
Names[RTLIB::SINCOS_F128] = nullptr;
Names[RTLIB::SINCOS_PPCF128] = nullptr;
}
if (!TT.isOSOpenBSD()) {
Names[RTLIB::STACKPROTECTOR_CHECK_FAIL] = "__stack_chk_fail";
} else {
// These are generally not available.
Names[RTLIB::STACKPROTECTOR_CHECK_FAIL] = nullptr;
}
// For f16/f32 conversions, Darwin uses the standard naming scheme, instead
// of the gnueabi-style __gnu_*_ieee.
// FIXME: What about other targets?
if (TT.isOSDarwin()) {
Names[RTLIB::FPEXT_F16_F32] = "__extendhfsf2";
Names[RTLIB::FPROUND_F32_F16] = "__truncsfhf2";
}
Names[RTLIB::DEOPTIMIZE] = "__llvm_deoptimize";
@ -840,6 +818,8 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm) : TM(tm) {
// with the Target-specific changes necessary.
MaxAtomicSizeInBitsSupported = 1024;
std::fill(std::begin(LibcallRoutineNames), std::end(LibcallRoutineNames), nullptr);
InitLibcallNames(LibcallRoutineNames, TM.getTargetTriple());
InitCmpLibcallCCs(CmpLibcallCCs);
InitLibcallCallingConvs(LibcallCallingConvs);