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[X86][SSE] Extended copysign tests to include llvm intrinsic implementation and constant folding.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235279 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2015-04-19 21:34:57 +00:00
parent a039f1779d
commit e398eb753a
1 changed files with 125 additions and 7 deletions
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132
test/CodeGen/X86/sse-fcopysign.ll
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@ -1,16 +1,134 @@
; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep test
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=ALL --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=ALL --check-prefix=X64
;
; Library Functions
;
define float @tst1(float %a, float %b) {
%tmp = tail call float @copysignf( float %b, float %a )
ret float %tmp
; X32-LABEL: @tst1
; X32: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: movss %xmm1, 4(%esp)
; X32-NEXT: movss %xmm0, (%esp)
; X32-NEXT: calll copysignf
; X32-NEXT: addl $8, %esp
; X32-NEXT: retl
;
; X64-LABEL: @tst1
; X64: movaps %xmm0, %xmm2
; X64-NEXT: movaps %xmm1, %xmm0
; X64-NEXT: movaps %xmm2, %xmm1
; X64-NEXT: jmp copysignf
%tmp = tail call float @copysignf( float %b, float %a )
ret float %tmp
}
define double @tst2(double %a, float %b, float %c) {
%tmp1 = fadd float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @copysign( double %a, double %tmp2 )
ret double %tmp
; X32-LABEL: @tst2
; X32: movsd {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: addss 32(%esp), %xmm1
; X32-NEXT: cvtss2sd %xmm1, %xmm1
; X32-NEXT: movsd %xmm0, (%esp)
; X32-NEXT: movsd %xmm1, 8(%esp)
; X32-NEXT: calll copysign
; X32-NEXT: addl $16, %esp
; X32-NEXT: retl
;
; X64-LABEL: @tst2
; X64: addss %xmm2, %xmm1
; X64-NEXT: cvtss2sd %xmm1, %xmm1
; X64-NEXT: jmp copysign
%tmp1 = fadd float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @copysign( double %a, double %tmp2 )
ret double %tmp
}
declare float @copysignf(float, float)
declare double @copysign(double, double)
;
; LLVM Intrinsic
;
define float @int1(float %a, float %b) {
; X32-LABEL: @int1
; X32: movss 12(%esp), %xmm0 {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: movss 8(%esp), %xmm1 {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: andps .LCPI2_0, %xmm1
; X32-NEXT: andps .LCPI2_1, %xmm0
; X32-NEXT: orps %xmm1, %xmm0
; X32-NEXT: movss %xmm0, (%esp)
; X32-NEXT: flds (%esp)
; X32-NEXT: popl %eax
; X32-NEXT: retl
;
; X64-LABEL: @int1
; X64: andps .LCPI2_0(%rip), %xmm0
; X64-NEXT: andps .LCPI2_1(%rip), %xmm1
; X64-NEXT: orps %xmm1, %xmm0
; X64-NEXT: retq
%tmp = tail call float @llvm.copysign.f32( float %b, float %a )
ret float %tmp
}
define double @int2(double %a, float %b, float %c) {
; X32-LABEL: @int2
; X32: movsd 8(%ebp), %xmm0 {{.*#+}} xmm0 = mem[0],zero
; X32-NEXT: movss 16(%ebp), %xmm1 {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: addss 20(%ebp), %xmm1
; X32-NEXT: andpd .LCPI3_0, %xmm0
; X32-NEXT: cvtss2sd %xmm1, %xmm1
; X32-NEXT: andpd .LCPI3_1, %xmm1
; X32-NEXT: orpd %xmm0, %xmm1
; X32-NEXT: movsd %xmm1, (%esp)
; X32-NEXT: fldl (%esp)
; X32-NEXT: movl %ebp, %esp
; X32-NEXT: popl %ebp
; X32-NEXT: retl
;
; X64-LABEL: @int2
; X64: addss %xmm2, %xmm1
; X64-NEXT: andpd .LCPI3_0(%rip), %xmm0
; X64-NEXT: cvtss2sd %xmm1, %xmm1
; X64-NEXT: andpd .LCPI3_1(%rip), %xmm1
; X64-NEXT: orpd %xmm1, %xmm0
; X64-NEXT: retq
%tmp1 = fadd float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @llvm.copysign.f64( double %a, double %tmp2 )
ret double %tmp
}
define float @cst1() {
; X32-LABEL: @cst1
; X32: fld1
; X32-NEXT: fchs
; X32-NEXT: retl
;
; X64-LABEL: @cst1
; X64: movss .LCPI4_0(%rip), %xmm0 {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X64-NEXT: retq
%tmp = tail call float @llvm.copysign.f32( float 1.0, float -2.0 )
ret float %tmp
}
define double @cst2() {
; X32-LABEL: @cst2
; X32: fldz
; X32-NEXT: fchs
; X32-NEXT: retl
;
; X64-LABEL: @cst2
; X64: movsd .LCPI5_0(%rip), %xmm0 {{.*#+}} xmm0 = mem[0],zero
; X64-NEXT: retq
%tmp1 = fadd float -1.0, -1.0
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double @llvm.copysign.f64( double 0.0, double %tmp2 )
ret double %tmp
}
declare float @llvm.copysign.f32(float %Mag, float %Sgn)
declare double @llvm.copysign.f64(double %Mag, double %Sgn)