llvm/test/Transforms/TailDup/2008-05-13-InfiniteLoop.ll
Dale Johannesen 72997fedab Fix for PR 2323, infinite loop in tail dup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51063 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-13 20:06:43 +00:00

27 lines
619 B
LLVM

; RUN: llvm-as < %s | opt -tailduplicate | llc
; PR2323
define i32 @func_27(i32 %p_28) nounwind {
entry:
%tmp125 = trunc i32 %p_28 to i8 ; <i8> [#uses=1]
%tmp5.i = icmp eq i8 %tmp125, 0 ; <i1> [#uses=1]
br i1 %tmp5.i, label %bb8.i, label %bb.i
bb.i: ; preds = %entry
br label %bb39.i
bb8.i: ; preds = %entry
br label %bb11.i
bb11.i: ; preds = %bb39.i, %bb8.i
%tmp126 = trunc i32 %p_28 to i8 ; <i8> [#uses=1]
br label %bb39.i
bb39.i: ; preds = %bb11.i, %bb.i
%tmp127 = trunc i32 %p_28 to i8 ; <i8> [#uses=1]
br label %bb11.i
func_29.exit: ; No predecessors!
ret i32 undef
}