1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 ;; Target triple for gep raising case below.
4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
5 target triple = "i686-apple-darwin8"
7 define float @test1(float %A, float %B, i1 %C) {
9 ;; select C, 0, B + select C, A, 0 -> select C, A, B
10 %cf = uitofp i1 %C to float
11 %s1 = select i1 %C, float 0.000000e+00, float %B
12 %s2 = select i1 %C, float %A, float 0.000000e+00
13 %sum = fadd fast float %s1, %s2
16 ; CHECK: select i1 %C, float %A, float %B
19 define float @test2(float %A, float %B, i1 %C) {
21 ;; B*(uitofp i1 C) + A*(1 - uitofp i1 C) -> select C, A, B
22 %cf = uitofp i1 %C to float
23 %mc = fsub fast float 1.000000e+00, %cf
24 %p1 = fmul fast float %A, %mc
25 %p2 = fmul fast float %B, %cf
26 %s1 = fadd fast float %p2, %p1
29 ; CHECK: select i1 %C, float %B, float %A
32 define float @test3(float %A, float %B, i1 %C) {
34 ;; A*(1 - uitofp i1 C) + B*(uitofp i1 C) -> select C, A, B
35 %cf = uitofp i1 %C to float
36 %mc = fsub fast float 1.000000e+00, %cf
37 %p1 = fmul fast float %A, %mc
38 %p2 = fmul fast float %B, %cf
39 %s1 = fadd fast float %p1, %p2
42 ; CHECK: select i1 %C, float %B, float %A