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llvm-mirror/test/Transforms/SimplifyCFG/2011-03-08-UnreachableUse.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

32 lines
1006 B
LLVM

; RUN: opt < %s -simplifycfg -S | FileCheck %s
; PR9420
; Note that the crash in PR9420 test is sensitive to the ordering of
; the transformations done by SimplifyCFG, so this test is likely to rot
; quickly.
define noalias i8* @func_29() nounwind {
; CHECK: entry:
; CHECK-NEXT: unreachable
entry:
br label %for.cond
for.cond: ; preds = %for.inc38, %entry
%p_34.addr.0 = phi i16 [ 1, %entry ], [ %conv40, %for.inc38 ]
br label %for.cond1
for.cond1: ; preds = %for.inc29, %for.cond
%p_32.addr.0 = phi i1 [ true, %for.cond ], [ true, %for.inc29 ]
br i1 %p_32.addr.0, label %for.body8, label %for.inc38
for.body8: ; preds = %for.cond1
unreachable
for.inc29: ; preds = %for.cond17
br label %for.cond1
for.inc38: ; preds = %for.end32
%conv40 = add i16 %p_34.addr.0, 1
br label %for.cond
}