1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 define zeroext i8 @t1(float %x, float %y) nounwind { 4 %a = fcmp ueq float %x, %y 5 %b = fcmp ord float %x, %y 6 %c = and i1 %a, %b 7 %retval = zext i1 %c to i8 8 ret i8 %retval 9 ; CHECK: t1 10 ; CHECK: fcmp oeq float %x, %y 11 ; CHECK-NOT: fcmp ueq float %x, %y 12 ; CHECK-NOT: fcmp ord float %x, %y 13 ; CHECK-NOT: and 14 } 15 16 define zeroext i8 @t2(float %x, float %y) nounwind { 17 %a = fcmp olt float %x, %y 18 %b = fcmp ord float %x, %y 19 %c = and i1 %a, %b 20 %retval = zext i1 %c to i8 21 ret i8 %retval 22 ; CHECK: t2 23 ; CHECK: fcmp olt float %x, %y 24 ; CHECK-NOT: fcmp ord float %x, %y 25 ; CHECK-NOT: and 26 } 27 28 define zeroext i8 @t3(float %x, float %y) nounwind { 29 %a = fcmp oge float %x, %y 30 %b = fcmp uno float %x, %y 31 %c = and i1 %a, %b 32 %retval = zext i1 %c to i8 33 ret i8 %retval 34 ; CHECK: t3 35 ; CHECK: ret i8 0 36 } 37 38 define zeroext i8 @t4(float %x, float %y) nounwind { 39 %a = fcmp one float %y, %x 40 %b = fcmp ord float %x, %y 41 %c = and i1 %a, %b 42 %retval = zext i1 %c to i8 43 ret i8 %retval 44 ; CHECK: t4 45 ; CHECK: fcmp one float %y, %x 46 ; CHECK-NOT: fcmp ord float %x, %y 47 ; CHECK-NOT: and 48 } 49 50 define zeroext i8 @t5(float %x, float %y) nounwind { 51 %a = fcmp ord float %x, %y 52 %b = fcmp uno float %x, %y 53 %c = and i1 %a, %b 54 %retval = zext i1 %c to i8 55 ret i8 %retval 56 ; CHECK: t5 57 ; CHECK: ret i8 0 58 } 59 60 define zeroext i8 @t6(float %x, float %y) nounwind { 61 %a = fcmp uno float %x, %y 62 %b = fcmp ord float %x, %y 63 %c = and i1 %a, %b 64 %retval = zext i1 %c to i8 65 ret i8 %retval 66 ; CHECK: t6 67 ; CHECK: ret i8 0 68 } 69 70 define zeroext i8 @t7(float %x, float %y) nounwind { 71 %a = fcmp uno float %x, %y 72 %b = fcmp ult float %x, %y 73 %c = and i1 %a, %b 74 %retval = zext i1 %c to i8 75 ret i8 %retval 76 ; CHECK: t7 77 ; CHECK: fcmp uno 78 ; CHECK-NOT: fcmp ult 79 } 80
