1 ; RUN: llc < %s -march=x86-64 | FileCheck %s 2 3 ; Convert oeq and une to ole/oge/ule/uge when comparing with infinity 4 ; and negative infinity, because those are more efficient on x86. 5 6 ; CHECK: oeq_inff: 7 ; CHECK: ucomiss 8 ; CHECK: jb 9 define float @oeq_inff(float %x, float %y) nounwind readonly { 10 %t0 = fcmp oeq float %x, 0x7FF0000000000000 11 %t1 = select i1 %t0, float 1.0, float %y 12 ret float %t1 13 } 14 15 ; CHECK: oeq_inf: 16 ; CHECK: ucomisd 17 ; CHECK: jb 18 define double @oeq_inf(double %x, double %y) nounwind readonly { 19 %t0 = fcmp oeq double %x, 0x7FF0000000000000 20 %t1 = select i1 %t0, double 1.0, double %y 21 ret double %t1 22 } 23 24 ; CHECK: une_inff: 25 ; CHECK: ucomiss 26 ; CHECK: jae 27 define float @une_inff(float %x, float %y) nounwind readonly { 28 %t0 = fcmp une float %x, 0x7FF0000000000000 29 %t1 = select i1 %t0, float 1.0, float %y 30 ret float %t1 31 } 32 33 ; CHECK: une_inf: 34 ; CHECK: ucomisd 35 ; CHECK: jae 36 define double @une_inf(double %x, double %y) nounwind readonly { 37 %t0 = fcmp une double %x, 0x7FF0000000000000 38 %t1 = select i1 %t0, double 1.0, double %y 39 ret double %t1 40 } 41 42 ; CHECK: oeq_neg_inff: 43 ; CHECK: ucomiss 44 ; CHECK: jb 45 define float @oeq_neg_inff(float %x, float %y) nounwind readonly { 46 %t0 = fcmp oeq float %x, 0xFFF0000000000000 47 %t1 = select i1 %t0, float 1.0, float %y 48 ret float %t1 49 } 50 51 ; CHECK: oeq_neg_inf: 52 ; CHECK: ucomisd 53 ; CHECK: jb 54 define double @oeq_neg_inf(double %x, double %y) nounwind readonly { 55 %t0 = fcmp oeq double %x, 0xFFF0000000000000 56 %t1 = select i1 %t0, double 1.0, double %y 57 ret double %t1 58 } 59 60 ; CHECK: une_neg_inff: 61 ; CHECK: ucomiss 62 ; CHECK: jae 63 define float @une_neg_inff(float %x, float %y) nounwind readonly { 64 %t0 = fcmp une float %x, 0xFFF0000000000000 65 %t1 = select i1 %t0, float 1.0, float %y 66 ret float %t1 67 } 68 69 ; CHECK: une_neg_inf: 70 ; CHECK: ucomisd 71 ; CHECK: jae 72 define double @une_neg_inf(double %x, double %y) nounwind readonly { 73 %t0 = fcmp une double %x, 0xFFF0000000000000 74 %t1 = select i1 %t0, double 1.0, double %y 75 ret double %t1 76 } 77
