1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 | FileCheck %s --check-prefix=X87 3 ; 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 4 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 5 6 declare float @fabsf(float) 7 declare x86_fp80 @fabsl(x86_fp80) 8 9 define float @test1(float %X) { 10 ; X87-LABEL: test1: 11 ; X87: # %bb.0: 12 ; X87-NEXT: flds {{[0-9]+}}(%esp) 13 ; X87-NEXT: fabs 14 ; X87-NEXT: retl 15 ; 16 ; X87UNSAFE-LABEL: test1: 17 ; X87UNSAFE: # %bb.0: 18 ; X87UNSAFE-NEXT: flds {{[0-9]+}}(%esp) 19 ; X87UNSAFE-NEXT: fabs 20 ; X87UNSAFE-NEXT: retl 21 ; 22 ; X64-LABEL: test1: 23 ; X64: # %bb.0: 24 ; X64-NEXT: andps {{.*}}(%rip), %xmm0 25 ; X64-NEXT: retq 26 %Y = call float @fabsf(float %X) readnone 27 ret float %Y 28 } 29 30 define x86_fp80 @test2(x86_fp80 %X) { 31 ; X87-LABEL: test2: 32 ; X87: # %bb.0: 33 ; X87-NEXT: fldt {{[0-9]+}}(%esp) 34 ; X87-NEXT: fabs 35 ; X87-NEXT: retl 36 ; 37 ; X87UNSAFE-LABEL: test2: 38 ; X87UNSAFE: # %bb.0: 39 ; X87UNSAFE-NEXT: fldt {{[0-9]+}}(%esp) 40 ; X87UNSAFE-NEXT: fabs 41 ; X87UNSAFE-NEXT: retl 42 ; 43 ; X64-LABEL: test2: 44 ; X64: # %bb.0: 45 ; X64-NEXT: fldt {{[0-9]+}}(%rsp) 46 ; X64-NEXT: fabs 47 ; X64-NEXT: retq 48 %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone 49 ret x86_fp80 %Y 50 } 51 52
