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.
46 lines
1012 B
LLVM
46 lines
1012 B
LLVM
; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @g()
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declare void @f()
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define void @foo(i32 %Kind) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT:entry:
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; CHECK-NEXT: switch i32 %Kind, label %sw.epilog [
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; CHECK-NEXT: i32 15, label %sw.bb2
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; CHECK-NEXT: i32 2, label %sw.bb
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; CHECK-NEXT: ]
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; CHECK: sw.bb:
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; CHECK-NEXT: call void @g()
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; CHECK-NEXT: call void @g()
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; CHECK-NEXT: br label %sw.epilog
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; CHECK: sw.bb2:
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; CHECK-NEXT: call void @f()
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; CHECK-NEXT: br label %sw.epilog
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; CHECK: sw.epilog:
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; CHECK-NEXT: ret void
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; CHECK-NEXT:}
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entry:
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switch i32 %Kind, label %sw.epilog [
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i32 1, label %sw.epilog
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i32 2, label %sw.bb
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i32 15, label %sw.bb2
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]
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sw.bb:
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call void @g()
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call void @g()
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br label %sw.epilog
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sw.bb2:
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call void @f()
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br label %sw.epilog
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sw.epilog:
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ret void
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}
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