1; Check that we can enable/disable NoInfsFPMath and NoNaNsInFPMath via function 2; attributes. An attribute on one function should not magically apply to the 3; next one. 4 5; RUN: llc < %s -mtriple=powerpc64-unknown-unknown -mcpu=pwr7 -mattr=-vsx \ 6; RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=SAFE 7 8; RUN: llc < %s -mtriple=powerpc64-unknown-unknown -mcpu=pwr7 -mattr=-vsx \ 9; RUN: -enable-no-infs-fp-math -enable-no-nans-fp-math \ 10; RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=UNSAFE 11 12; The fcmp+select in these functions should be converted to a fsel instruction 13; when both NoInfsFPMath and NoNaNsInFPMath are enabled. 14 15; CHECK-LABEL: default0: 16define double @default0(double %a, double %y, double %z) { 17entry: 18; SAFE-NOT: fsel 19; UNSAFE: fsel 20 %cmp = fcmp ult double %a, 0.000000e+00 21 %z.y = select i1 %cmp, double %z, double %y 22 ret double %z.y 23} 24 25; CHECK-LABEL: unsafe_math_off: 26define double @unsafe_math_off(double %a, double %y, double %z) #0 #2 { 27entry: 28; SAFE-NOT: fsel 29; UNSAFE-NOT: fsel 30 %cmp = fcmp ult double %a, 0.000000e+00 31 %z.y = select i1 %cmp, double %z, double %y 32 ret double %z.y 33} 34 35; CHECK-LABEL: default1: 36define double @default1(double %a, double %y, double %z) { 37; SAFE-NOT: fsel 38; UNSAFE: fsel 39 %cmp = fcmp ult double %a, 0.000000e+00 40 %z.y = select i1 %cmp, double %z, double %y 41 ret double %z.y 42} 43 44; CHECK-LABEL: unsafe_math_on: 45define double @unsafe_math_on(double %a, double %y, double %z) #1 #3 { 46entry: 47; SAFE-NOT: fsel 48; UNSAFE-NOT: fsel 49 %cmp = fcmp ult double %a, 0.000000e+00 50 %z.y = select i1 %cmp, double %z, double %y 51 ret double %z.y 52} 53 54; CHECK-LABEL: default2: 55define double @default2(double %a, double %y, double %z) { 56; SAFE-NOT: fsel 57; UNSAFE: fsel 58 %cmp = fcmp ult double %a, 0.000000e+00 59 %z.y = select i1 %cmp, double %z, double %y 60 ret double %z.y 61} 62 63attributes #0 = { "no-infs-fp-math"="false" } 64attributes #1 = { "no-nans-fp-math"="false" } 65 66attributes #2 = { "no-infs-fp-math"="false" } 67attributes #3 = { "no-infs-fp-math"="true" } 68