define float @test1(float %A, float %B, i1 %C) {
EntryBlock:
- ;; A*(1 - uitofp i1 C) -> select C, 0, A
+ ;; select C, 0, B + select C, A, 0 -> select C, A, B
%cf = uitofp i1 %C to float
- %mc = fsub float 1.000000e+00, %cf
- %p1 = fmul fast float %A, %mc
- ret float %p1
+ %s1 = select i1 %C, float 0.000000e+00, float %B
+ %s2 = select i1 %C, float %A, float 0.000000e+00
+ %sum = fadd fast float %s1, %s2
+ ret float %sum
; CHECK: @test1
-; CHECK: select i1 %C, float -0.000000e+00, float %A
+; CHECK: select i1 %C, float %A, float %B
}
define float @test2(float %A, float %B, i1 %C) {
EntryBlock:
- ;; B*(uitofp i1 C) -> select C, B, 0
+ ;; B*(uitofp i1 C) + A*(1 - uitofp i1 C) -> select C, A, B
%cf = uitofp i1 %C to float
+ %mc = fsub fast float 1.000000e+00, %cf
+ %p1 = fmul fast float %A, %mc
%p2 = fmul fast float %B, %cf
- ret float %p2
+ %s1 = fadd fast float %p2, %p1
+ ret float %s1
; CHECK: @test2
-; CHECK: select i1 %C, float %B, float -0.000000e+00
+; CHECK: select i1 %C, float %B, float %A
}
define float @test3(float %A, float %B, i1 %C) {
EntryBlock:
;; A*(1 - uitofp i1 C) + B*(uitofp i1 C) -> select C, A, B
%cf = uitofp i1 %C to float
- %mc = fsub float 1.000000e+00, %cf
+ %mc = fsub fast float 1.000000e+00, %cf
%p1 = fmul fast float %A, %mc
%p2 = fmul fast float %B, %cf
%s1 = fadd fast float %p1, %p2