aa2009fe78
First step after e113317958,
in these tests, DomTree is valid afterwards, so mark them as such,
so that they don't regress.
In further steps, SimplifyCFG transforms shall taught to preserve DomTree,
in as small steps as possible.
30 lines
1020 B
LLVM
30 lines
1020 B
LLVM
; PR957
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; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
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; CHECK-NOT: select
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@G = extern_weak global i32
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define i32 @test(i32 %tmp) {
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cond_false179:
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%tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1]
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br i1 %tmp181, label %cond_true182, label %cond_next185
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cond_true182: ; preds = %cond_false179
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br label %cond_next185
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cond_next185: ; preds = %cond_true182, %cond_false179
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%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1]
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ret i32 %d0.3
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}
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define i32 @test2(i32 %tmp) {
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cond_false179:
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%tmp181 = icmp eq i32 %tmp, 0 ; <i1> [#uses=1]
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br i1 %tmp181, label %cond_true182, label %cond_next185
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cond_true182: ; preds = %cond_false179
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br label %cond_next185
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cond_next185: ; preds = %cond_true182, %cond_false179
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%d0.3 = phi i32 [ udiv (i32 1, i32 ptrtoint (i32* @G to i32)), %cond_true182 ], [ %tmp, %cond_false179 ] ; <i32> [#uses=1]
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call i32 @test( i32 4 ) ; <i32>:0 [#uses=0]
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ret i32 %d0.3
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}
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