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[TargetLowering][PS4] Add sincos(f) lib functions when target is PS4

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PS4 supports sincosf and sincos. Adding the library functions enables
the sin(f)+cos(f) -> sincos(f) optimization.

Differential Revision: https://reviews.llvm.org/D67009

llvm-svn: 370675
This commit is contained in:
Robert Lougher 2019-09-02 16:53:32 +00:00
parent 68d6f27a24
commit a7d1d8c4ff
2 changed files with 32 additions and 0 deletions
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5
lib/CodeGen/TargetLoweringBase.cpp
View File

@ -197,6 +197,11 @@ void TargetLoweringBase::InitLibcalls(const Triple &TT) {
setLibcallName(RTLIB::SINCOS_PPCF128, "sincosl");
}
if (TT.isPS4CPU()) {
setLibcallName(RTLIB::SINCOS_F32, "sincosf");
setLibcallName(RTLIB::SINCOS_F64, "sincos");
}
if (TT.isOSOpenBSD()) {
setLibcallName(RTLIB::STACKPROTECTOR_CHECK_FAIL, nullptr);
}

27
test/CodeGen/X86/sincos-opt.ll
View File

@ -5,6 +5,7 @@
; RUN: llc < %s -mtriple=x86_64-pc-linux-gnux32 -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNU_SINCOS_FASTMATH
; RUN: llc < %s -mtriple=x86_64-fuchsia -mcpu=core2 | FileCheck %s --check-prefix=GNU_SINCOS
; RUN: llc < %s -mtriple=x86_64-fuchsia -mcpu=core2 -enable-unsafe-fp-math | FileCheck %s --check-prefix=GNU_SINCOS_FASTMATH
; RUN: llc < %s -mtriple=x86_64-scei-ps4 -mcpu=btver2 | FileCheck %s --check-prefix=PS4_SINCOS
; Combine sin / cos into a single call unless they may write errno (as
; captured by readnone attrbiute, controlled by clang -fmath-errno
@ -32,6 +33,11 @@ entry:
; OSX_NOOPT-LABEL: test1:
; OSX_NOOPT: callq _sinf
; OSX_NOOPT: callq _cosf
; PS4_SINCOS-LABEL: test1:
; PS4_SINCOS: callq sincosf
; PS4_SINCOS: vmovss 4(%rsp), %xmm0
; PS4_SINCOS: vaddss (%rsp), %xmm0, %xmm0
%call = tail call float @sinf(float %x) readnone
%call1 = tail call float @cosf(float %x) readnone
%add = fadd float %call, %call1
@ -55,6 +61,10 @@ entry:
; OSX_NOOPT-LABEL: test1_errno:
; OSX_NOOPT: callq _sinf
; OSX_NOOPT: callq _cosf
; PS4_SINCOS-LABEL: test1_errno:
; PS4_SINCOS: callq sinf
; PS4_SINCOS: callq cosf
%call = tail call float @sinf(float %x)
%call1 = tail call float @cosf(float %x)
%add = fadd float %call, %call1
@ -80,6 +90,11 @@ entry:
; OSX_NOOPT-LABEL: test2:
; OSX_NOOPT: callq _sin
; OSX_NOOPT: callq _cos
; PS4_SINCOS-LABEL: test2:
; PS4_SINCOS: callq sincos
; PS4_SINCOS: vmovsd 16(%rsp), %xmm0
; PS4_SINCOS: vaddsd 8(%rsp), %xmm0, %xmm0
%call = tail call double @sin(double %x) readnone
%call1 = tail call double @cos(double %x) readnone
%add = fadd double %call, %call1
@ -103,6 +118,10 @@ entry:
; OSX_NOOPT-LABEL: test2_errno:
; OSX_NOOPT: callq _sin
; OSX_NOOPT: callq _cos
; PS4_SINCOS-LABEL: test2_errno:
; PS4_SINCOS: callq sin
; PS4_SINCOS: callq cos
%call = tail call double @sin(double %x)
%call1 = tail call double @cos(double %x)
%add = fadd double %call, %call1
@ -122,6 +141,10 @@ entry:
; GNU_SINCOS_FASTMATH: fldt 16(%{{[re]}}sp)
; GNU_SINCOS_FASTMATH: fldt 32(%{{[re]}}sp)
; GNU_SINCOS_FASTMATH: faddp %st, %st(1)
; PS4_SINCOS-LABEL: test3:
; PS4_SINCOS: callq sinl
; PS4_SINCOS: callq cosl
%call = tail call x86_fp80 @sinl(x86_fp80 %x) readnone
%call1 = tail call x86_fp80 @cosl(x86_fp80 %x) readnone
%add = fadd x86_fp80 %call, %call1
@ -137,6 +160,10 @@ entry:
; GNU_SINCOS_FASTMATH-LABEL: test3_errno:
; GNU_SINCOS_FASTMATH: callq sinl
; GNU_SINCOS_FASTMATH: callq cosl
; PS4_SINCOS-LABEL: test3_errno:
; PS4_SINCOS: callq sinl
; PS4_SINCOS: callq cosl
%call = tail call x86_fp80 @sinl(x86_fp80 %x)
%call1 = tail call x86_fp80 @cosl(x86_fp80 %x)
%add = fadd x86_fp80 %call, %call1