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; Check that 0.0 is not materialized for CSEL when comparing against it.
; RUN: llc -mtriple=aarch64-linux-gnu -o - < %s | FileCheck %s
define float @foeq(float %a, float %b) #0 {
%t = fcmp oeq float %a, 0.0
%v = select i1 %t, float 0.0, float %b
ret float %v
; CHECK-LABEL: foeq
; CHECK: fcmp [[R:s[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{s[0-9]+}}, [[R]], {{s[0-9]+}}, eq
}
define float @fueq(float %a, float %b) #0 {
%t = fcmp ueq float %a, 0.0
%v = select i1 %t, float 0.0, float %b
ret float %v
; CHECK-LABEL: fueq
; CHECK: fcmp [[R:s[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{s[0-9]+}}, [[R]], {{s[0-9]+}}, eq
; CHECK-NEXT: fcsel {{s[0-9]+}}, [[R]], {{s[0-9]+}}, vs
}
define float @fone(float %a, float %b) #0 {
%t = fcmp one float %a, 0.0
%v = select i1 %t, float %b, float 0.0
ret float %v
; CHECK-LABEL: fone
; CHECK: fcmp [[R:s[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{s[0-9]+}}, {{s[0-9]+}}, [[R]], mi
; CHECK-NEXT: fcsel {{s[0-9]+}}, {{s[0-9]+}}, [[R]], gt
}
define float @fune(float %a, float %b) #0 {
%t = fcmp une float %a, 0.0
%v = select i1 %t, float %b, float 0.0
ret float %v
; CHECK-LABEL: fune
; CHECK: fcmp [[R:s[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{s[0-9]+}}, {{s[0-9]+}}, [[R]], ne
}
define double @doeq(double %a, double %b) #0 {
%t = fcmp oeq double %a, 0.0
%v = select i1 %t, double 0.0, double %b
ret double %v
; CHECK-LABEL: doeq
; CHECK: fcmp [[R:d[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{d[0-9]+}}, [[R]], {{d[0-9]+}}, eq
}
define double @dueq(double %a, double %b) #0 {
%t = fcmp ueq double %a, 0.0
%v = select i1 %t, double 0.0, double %b
ret double %v
; CHECK-LABEL: dueq
; CHECK: fcmp [[R:d[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{d[0-9]+}}, [[R]], {{d[0-9]+}}, eq
; CHECK-NEXT: fcsel {{d[0-9]+}}, [[R]], {{d[0-9]+}}, vs
}
define double @done(double %a, double %b) #0 {
%t = fcmp one double %a, 0.0
%v = select i1 %t, double %b, double 0.0
ret double %v
; CHECK-LABEL: done
; CHECK: fcmp [[R:d[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{d[0-9]+}}, {{d[0-9]+}}, [[R]], mi
; CHECK-NEXT: fcsel {{d[0-9]+}}, {{d[0-9]+}}, [[R]], gt
}
define double @dune(double %a, double %b) #0 {
%t = fcmp une double %a, 0.0
%v = select i1 %t, double %b, double 0.0
ret double %v
; CHECK-LABEL: dune
; CHECK: fcmp [[R:d[0-9]+]], #0.0
; CHECK-NEXT: fcsel {{d[0-9]+}}, {{d[0-9]+}}, [[R]], ne
}
attributes #0 = { nounwind "unsafe-fp-math"="true" }
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