diff options
Diffstat (limited to 'test/Transforms/InstCombine')
-rw-r--r-- | test/Transforms/InstCombine/add4.ll | 40 |
1 files changed, 13 insertions, 27 deletions
diff --git a/test/Transforms/InstCombine/add4.ll b/test/Transforms/InstCombine/add4.ll index 0fc0a6c..1047e16 100644 --- a/test/Transforms/InstCombine/add4.ll +++ b/test/Transforms/InstCombine/add4.ll @@ -6,30 +6,34 @@ target triple = "i686-apple-darwin8" 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 @@ -38,21 +42,3 @@ EntryBlock: ; CHECK: select i1 %C, float %B, float %A } -; PR15952 -define float @test4(float %A, float %B, i32 %C) { - %cf = uitofp i32 %C to float - %mc = fsub float 1.000000e+00, %cf - %p1 = fmul fast float %A, %mc - ret float %p1 -; CHECK: @test4 -; CHECK: uitofp -} - -define float @test5(float %A, float %B, i32 %C) { - %cf = uitofp i32 %C to float - %p2 = fmul fast float %B, %cf - ret float %p2 -; CHECK: @test5 -; CHECK: uitofp -} - |