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[CodeGen] Use standard -not gnueabi- naming for f16 libcalls on Darwin. 

Other targets probably should as well.  Since r237161, compiler-rt has
both, but I don't see why anything other than gnueabi would use a
gnueabi naming scheme.

llvm-svn: 237324
This commit is contained in:
Ahmed Bougacha 2015-05-14 01:00:51 +00:00
parent 9a43d5be2f
commit 6402ad27c0
2 changed files with 11 additions and 3 deletions
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8
llvm/lib/CodeGen/TargetLoweringBase.cpp
View File

@ -420,6 +420,14 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
// These are generally not available. // These are generally not available.
Names[RTLIB::STACKPROTECTOR_CHECK_FAIL] = nullptr; 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";
}
} }
/// InitLibcallCallingConvs - Set default libcall CallingConvs. /// InitLibcallCallingConvs - Set default libcall CallingConvs.

6
llvm/test/CodeGen/ARM/half.ll
View File

@ -30,7 +30,7 @@ define void @test_bitcast_to_half(half* %addr, i16 %in) {
define float @test_extend32(half* %addr) { define float @test_extend32(half* %addr) {
; CHECK-LABEL: test_extend32: ; CHECK-LABEL: test_extend32:
; CHECK-OLD: b.w ___gnu_h2f_ieee ; CHECK-OLD: b.w ___extendhfsf2
; CHECK-F16: vcvtb.f32.f16 ; CHECK-F16: vcvtb.f32.f16
; CHECK-V8: vcvtb.f32.f16 ; CHECK-V8: vcvtb.f32.f16
%val16 = load half, half* %addr %val16 = load half, half* %addr
@ -41,7 +41,7 @@ define float @test_extend32(half* %addr) {
define double @test_extend64(half* %addr) { define double @test_extend64(half* %addr) {
; CHECK-LABEL: test_extend64: ; CHECK-LABEL: test_extend64:
; CHECK-OLD: blx ___gnu_h2f_ieee ; CHECK-OLD: blx ___extendhfsf2
; CHECK-OLD: vcvt.f64.f32 ; CHECK-OLD: vcvt.f64.f32
; CHECK-F16: vcvtb.f32.f16 ; CHECK-F16: vcvtb.f32.f16
; CHECK-F16: vcvt.f64.f32 ; CHECK-F16: vcvt.f64.f32
@ -54,7 +54,7 @@ define double @test_extend64(half* %addr) {
define void @test_trunc32(float %in, half* %addr) { define void @test_trunc32(float %in, half* %addr) {
; CHECK-LABEL: test_trunc32: ; CHECK-LABEL: test_trunc32:
; CHECK-OLD: blx ___gnu_f2h_ieee ; CHECK-OLD: blx ___truncsfhf2
; CHECK-F16: vcvtb.f16.f32 ; CHECK-F16: vcvtb.f16.f32
; CHECK-V8: vcvtb.f16.f32 ; CHECK-V8: vcvtb.f16.f32
%val16 = fptrunc float %in to half %val16 = fptrunc float %in to half