forked from OSchip/llvm-project
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -correlated-propagation -S -o - %s | FileCheck %s
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; Testcase that checks that we don't end in a neverending recursion resulting in
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; a segmentation fault. The checks below verify that nothing is changed.
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declare dso_local i16* @f2(i16* readnone returned) local_unnamed_addr
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define dso_local void @f3() local_unnamed_addr {
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; CHECK-LABEL: @f3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: [[CALL6:%.*]] = call i16* @f2(i16* [[CALL6]])
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; CHECK-NEXT: br i1 false, label [[FOR_COND]], label [[FOR_COND3:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[C_0:%.*]] = phi i16* [ undef, [[ENTRY:%.*]] ], [ [[CALL6]], [[FOR_END:%.*]] ]
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; CHECK-NEXT: br label [[FOR_COND3]]
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; CHECK: for.cond3:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.cond
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for.end:
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%call6 = call i16* @f2(i16* %call6)
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br i1 false, label %for.cond, label %for.cond3
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for.cond:
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%c.0 = phi i16* [ undef, %entry ], [ %call6, %for.end ]
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br label %for.cond3
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for.cond3:
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ret void
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}
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