fb063c933f
This replicates existing and/or tests to also test variants using select. This should help us get a more accurate view on which optimizations we're missing if we disable the select -> and/or fold.
36 lines
927 B
LLVM
36 lines
927 B
LLVM
; RUN: opt < %s -disable-verify -instcombine -S | opt -S | FileCheck %s
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; Formerly crashed, PR8490.
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; CHECK-LABEL: @test3(
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define i32 @test3(i1 %bool, i32 %a) {
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entry:
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%cond = or i1 %bool, true
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br i1 %cond, label %return, label %xpto
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; technically reachable, but this malformed IR may appear as a result of constant propagation
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xpto:
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%select = select i1 %bool, i32 %a, i32 %select
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%select2 = select i1 %bool, i32 %select2, i32 %a
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%sum = add i32 %select, %select2
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ret i32 %sum
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return:
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ret i32 7
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}
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define i32 @test3_logical(i1 %bool, i32 %a) {
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entry:
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%cond = select i1 %bool, i1 true, i1 true
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br i1 %cond, label %return, label %xpto
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; technically reachable, but this malformed IR may appear as a result of constant propagation
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xpto:
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%select = select i1 %bool, i32 %a, i32 %select
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%select2 = select i1 %bool, i32 %select2, i32 %a
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%sum = add i32 %select, %select2
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ret i32 %sum
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return:
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ret i32 7
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}
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