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; RUN: opt < %s -instcombine -S | FileCheck %s
; CHECK-LABEL: @t1(
define zeroext i8 @t1(float %x, float %y) nounwind {
%a = fcmp ueq float %x, %y ; <i1> [#uses=1]
%b = fcmp uno float %x, %y ; <i1> [#uses=1]
%c = or i1 %a, %b
; CHECK-NOT: fcmp uno
; CHECK: fcmp ueq
%retval = zext i1 %c to i8
ret i8 %retval
}
; CHECK-LABEL: @t2(
define zeroext i8 @t2(float %x, float %y) nounwind {
%a = fcmp olt float %x, %y ; <i1> [#uses=1]
%b = fcmp oeq float %x, %y ; <i1> [#uses=1]
; CHECK-NOT: fcmp olt
; CHECK-NOT: fcmp oeq
; CHECK: fcmp ole
%c = or i1 %a, %b
%retval = zext i1 %c to i8
ret i8 %retval
}
; CHECK-LABEL: @t3(
define zeroext i8 @t3(float %x, float %y) nounwind {
%a = fcmp ult float %x, %y ; <i1> [#uses=1]
%b = fcmp uge float %x, %y ; <i1> [#uses=1]
%c = or i1 %a, %b
%retval = zext i1 %c to i8
; CHECK: ret i8 1
ret i8 %retval
}
; CHECK-LABEL: @t4(
define zeroext i8 @t4(float %x, float %y) nounwind {
%a = fcmp ult float %x, %y ; <i1> [#uses=1]
%b = fcmp ugt float %x, %y ; <i1> [#uses=1]
%c = or i1 %a, %b
; CHECK-NOT: fcmp ult
; CHECK-NOT: fcmp ugt
; CHECK: fcmp une
%retval = zext i1 %c to i8
ret i8 %retval
}
; CHECK-LABEL: @t5(
define zeroext i8 @t5(float %x, float %y) nounwind {
%a = fcmp olt float %x, %y ; <i1> [#uses=1]
%b = fcmp oge float %x, %y ; <i1> [#uses=1]
%c = or i1 %a, %b
; CHECK-NOT: fcmp olt
; CHECK-NOT: fcmp oge
; CHECK: fcmp ord
%retval = zext i1 %c to i8
ret i8 %retval
}
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