llvm/test/Transforms/IndVarSimplify/2005-11-18-Crash.ll
Dan Gohman 00cb5b7245 Teach ScalarEvolution how to compute a tripcount for a loop with
true or false as its exit condition. These are usually eliminated by
SimplifyCFG, but the may be left around during a pass which wishes
to preserve the CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96683 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-19 18:12:07 +00:00

18 lines
641 B
LLVM

; RUN: opt < %s -indvars -disable-output
@fixtab = external global [29 x [29 x [2 x i32]]] ; <[29 x [29 x [2 x i32]]]*> [#uses=1]
define void @init_optabs() {
entry:
br label %no_exit.0
no_exit.0: ; preds = %no_exit.0, %entry
%p.0.0 = phi i32* [ getelementptr ([29 x [29 x [2 x i32]]]* @fixtab, i32 0, i32 0, i32 0, i32 0), %entry ], [ %inc.0, %no_exit.0 ] ; <i32*> [#uses=1]
%inc.0 = getelementptr i32* %p.0.0, i32 1 ; <i32*> [#uses=1]
br i1 undef, label %no_exit.0, label %no_exit.1
no_exit.1: ; preds = %no_exit.0
ret void
}