; 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 }