derek.holloway
7502bf64a4
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81 lines
2.3 KiB
LLVM
81 lines
2.3 KiB
LLVM
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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define float @test1(i1 %A) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float 0.000000e+00
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%op = fsub float 1.000000e+00, %cf
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ret float %op
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; CHECK-LABEL: @test1(
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; CHECK: select i1 %A, float 0.000000e+00, float 1.000000e+00
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}
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define float @test2(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fadd float 2.000000e+00, %cf
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ret float %op
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; CHECK-LABEL: @test2(
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; CHECK: [[OP:%.*]] = fadd float %B, 2.000000e+00
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; CHECK: select i1 %A, float 3.000000e+00, float [[OP]]
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}
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define float @test3(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fsub float 2.000000e+00, %cf
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ret float %op
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; CHECK-LABEL: @test3(
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; CHECK: [[OP:%.*]] = fsub float 2.000000e+00, %B
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; CHECK: select i1 %A, float 1.000000e+00, float [[OP]]
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}
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define float @test4(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fmul float 2.000000e+00, %cf
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ret float %op
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; CHECK-LABEL: @test4(
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; CHECK: [[OP:%.*]] = fmul float %B, 2.000000e+00
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; CHECK: select i1 %A, float 2.000000e+00, float [[OP]]
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}
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define float @test5(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fdiv float 2.000000e+00, %cf
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ret float %op
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; CHECK-LABEL: @test5(
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; CHECK: [[OP:%.*]] = fdiv float 2.000000e+00, %B
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; CHECK: select i1 %A, float 2.000000e+00, float [[OP]]
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}
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define float @test6(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fdiv float %cf, 2.000000e+00
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ret float %op
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; CHECK-LABEL: @test6(
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; CHECK: [[OP:%.*]] = fmul float %B, 5.000000e-01
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; CHECK: select i1 %A, float 5.000000e-01, float [[OP]]
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}
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define float @test7(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fdiv float %cf, 3.000000e+00
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ret float %op
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; CHECK-LABEL: @test7(
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; CHECK: [[OP:%.*]] = fdiv float %B, 3.000000e+00
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; CHECK: select i1 %A, float f0x3EAAAAAB, float [[OP]]
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}
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define float @test8(i1 %A, float %B) {
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EntryBlock:
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%cf = select i1 %A, float 1.000000e+00, float %B
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%op = fdiv float 3.000000e+00, %cf, !fpmath !{float 2.5}
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ret float %op
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; CHECK-LABEL: @test8(
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; CHECK: [[OP:%.*]] = fdiv float 3.000000e+00, %B, !fpmath
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; CHECK: select i1 %A, float 3.000000e+00, float [[OP]]
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}
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