llvm-6502/test/Transforms/LoopUnswitch/crash.ll
2010-02-02 02:26:54 +00:00

48 lines
1.7 KiB
LLVM

; RUN: opt < %s -loop-unswitch -disable-output
define void @test1(i32* %S2) {
entry:
br i1 false, label %list_Length.exit, label %cond_true.i
cond_true.i: ; preds = %entry
ret void
list_Length.exit: ; preds = %entry
br i1 false, label %list_Length.exit9, label %cond_true.i5
cond_true.i5: ; preds = %list_Length.exit
ret void
list_Length.exit9: ; preds = %list_Length.exit
br i1 false, label %bb78, label %return
bb44: ; preds = %bb78, %cond_next68
br i1 %tmp49.not, label %bb62, label %bb62.loopexit
bb62.loopexit: ; preds = %bb44
br label %bb62
bb62: ; preds = %bb62.loopexit, %bb44
br i1 false, label %return.loopexit, label %cond_next68
cond_next68: ; preds = %bb62
br i1 false, label %return.loopexit, label %bb44
bb78: ; preds = %list_Length.exit9
%tmp49.not = icmp eq i32* %S2, null ; <i1> [#uses=1]
br label %bb44
return.loopexit: ; preds = %cond_next68, %bb62
%retval.0.ph = phi i32 [ 1, %cond_next68 ], [ 0, %bb62 ] ; <i32> [#uses=1]
br label %return
return: ; preds = %return.loopexit, %list_Length.exit9
%retval.0 = phi i32 [ 0, %list_Length.exit9 ], [ %retval.0.ph, %return.loopexit ] ; <i32> [#uses=0]
ret void
}
define void @test2(i32 %x1, i32 %y1, i32 %z1, i32 %r1) nounwind {
entry:
br label %bb.nph
bb.nph: ; preds = %entry
%and.i13521 = and <4 x i1> undef, undef ; <<4 x i1>> [#uses=1]
br label %for.body
for.body: ; preds = %for.body, %bb.nph
%or.i = select <4 x i1> %and.i13521, <4 x i32> undef, <4 x i32> undef ; <<4 x i32>> [#uses=0]
br i1 false, label %for.body, label %for.end
for.end: ; preds = %for.body, %entry
ret void
}