| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define float @test1(i1 %A) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float 0.000000e+00 |
| %op = fsub float 1.000000e+00, %cf |
| ret float %op |
| ; CHECK-LABEL: @test1( |
| ; CHECK: select i1 %A, float 0.000000e+00, float 1.000000e+00 |
| } |
| |
| define float @test2(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fadd float 2.000000e+00, %cf |
| ret float %op |
| ; CHECK-LABEL: @test2( |
| ; CHECK: [[OP:%.*]] = fadd float %B, 2.000000e+00 |
| ; CHECK: select i1 %A, float 3.000000e+00, float [[OP]] |
| } |
| |
| define float @test3(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fsub float 2.000000e+00, %cf |
| ret float %op |
| ; CHECK-LABEL: @test3( |
| ; CHECK: [[OP:%.*]] = fsub float 2.000000e+00, %B |
| ; CHECK: select i1 %A, float 1.000000e+00, float [[OP]] |
| } |
| |
| define float @test4(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fmul float 2.000000e+00, %cf |
| ret float %op |
| ; CHECK-LABEL: @test4( |
| ; CHECK: [[OP:%.*]] = fmul float %B, 2.000000e+00 |
| ; CHECK: select i1 %A, float 2.000000e+00, float [[OP]] |
| } |
| |
| define float @test5(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fdiv float 2.000000e+00, %cf |
| ret float %op |
| ; CHECK-LABEL: @test5( |
| ; CHECK: [[OP:%.*]] = fdiv float 2.000000e+00, %B |
| ; CHECK: select i1 %A, float 2.000000e+00, float [[OP]] |
| } |
| |
| define float @test6(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fdiv float %cf, 2.000000e+00 |
| ret float %op |
| ; CHECK-LABEL: @test6( |
| ; CHECK: [[OP:%.*]] = fmul float %B, 5.000000e-01 |
| ; CHECK: select i1 %A, float 5.000000e-01, float [[OP]] |
| } |
| |
| define float @test7(i1 %A, float %B) { |
| EntryBlock: |
| %cf = select i1 %A, float 1.000000e+00, float %B |
| %op = fdiv float %cf, 3.000000e+00 |
| ret float %op |
| ; CHECK-LABEL: @test7( |
| ; CHECK: [[OP:%.*]] = fdiv float %B, 3.000000e+00 |
| ; CHECK: select i1 %A, float 0x3FD5555560000000, float [[OP]] |
| } |
| |