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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 | FileCheck %s --check-prefix=X87
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=X87UNSAFE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
declare float @fabsf(float)
declare x86_fp80 @fabsl(x86_fp80)
define float @test1(float %X) {
; X87-LABEL: test1:
; X87: # %bb.0:
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fabs
; X87-NEXT: retl
;
; X87UNSAFE-LABEL: test1:
; X87UNSAFE: # %bb.0:
; X87UNSAFE-NEXT: flds {{[0-9]+}}(%esp)
; X87UNSAFE-NEXT: fabs
; X87UNSAFE-NEXT: retl
;
; X64-LABEL: test1:
; X64: # %bb.0:
; X64-NEXT: andps {{.*}}(%rip), %xmm0
; X64-NEXT: retq
%Y = call float @fabsf(float %X) readnone
ret float %Y
}
define double @test2(double %X) {
; X87-LABEL: test2:
; X87: # %bb.0:
; X87-NEXT: fldl {{[0-9]+}}(%esp)
; X87-NEXT: fldz
; X87-NEXT: fchs
; X87-NEXT: fxch %st(1)
; X87-NEXT: fucom %st(1)
; X87-NEXT: fstp %st(1)
; X87-NEXT: fnstsw %ax
; X87-NEXT: # kill: def $ah killed $ah killed $ax
; X87-NEXT: sahf
; X87-NEXT: fld %st(0)
; X87-NEXT: fchs
; X87-NEXT: jae .LBB1_2
; X87-NEXT: # %bb.1:
; X87-NEXT: fstp %st(1)
; X87-NEXT: fldz
; X87-NEXT: .LBB1_2:
; X87-NEXT: fstp %st(0)
; X87-NEXT: retl
;
; X87UNSAFE-LABEL: test2:
; X87UNSAFE: # %bb.0:
; X87UNSAFE-NEXT: fldl {{[0-9]+}}(%esp)
; X87UNSAFE-NEXT: fabs
; X87UNSAFE-NEXT: retl
;
; X64-LABEL: test2:
; X64: # %bb.0:
; X64-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
; X64-NEXT: movapd %xmm1, %xmm2
; X64-NEXT: unpcklpd {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; X64-NEXT: xorpd %xmm0, %xmm2
; X64-NEXT: cmplesd %xmm0, %xmm1
; X64-NEXT: movapd %xmm1, %xmm3
; X64-NEXT: andnpd %xmm2, %xmm3
; X64-NEXT: andpd %xmm0, %xmm1
; X64-NEXT: orpd %xmm3, %xmm1
; X64-NEXT: movapd %xmm1, %xmm0
; X64-NEXT: retq
%Y = fcmp oge double %X, -0.0
%Z = fsub double -0.0, %X
%Q = select i1 %Y, double %X, double %Z
ret double %Q
}
define x86_fp80 @test3(x86_fp80 %X) {
; X87-LABEL: test3:
; X87: # %bb.0:
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fabs
; X87-NEXT: retl
;
; X87UNSAFE-LABEL: test3:
; X87UNSAFE: # %bb.0:
; X87UNSAFE-NEXT: fldt {{[0-9]+}}(%esp)
; X87UNSAFE-NEXT: fabs
; X87UNSAFE-NEXT: retl
;
; X64-LABEL: test3:
; X64: # %bb.0:
; X64-NEXT: fldt {{[0-9]+}}(%rsp)
; X64-NEXT: fabs
; X64-NEXT: retq
%Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
ret x86_fp80 %Y
}
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