1 files changed, 128 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2009-06-30-RegScavengerAssert4.ll b/test/CodeGen/ARM/2009-06-30-RegScavengerAssert4.ll
new file mode 100644
index 00000000000..77c133a80f9
--- /dev/null
+++ b/test/CodeGen/ARM/2009-06-30-RegScavengerAssert4.ll
@@ -0,0 +1,128 @@
+; RUN: llc < %s -march=arm -mtriple=armv6-apple-darwin9
+
+@r = external global i32		; <i32*> [#uses=1]
+@qr = external global i32		; <i32*> [#uses=1]
+@II = external global i32*		; <i32**> [#uses=1]
+@no_mis = external global i32		; <i32*> [#uses=1]
+@name1 = external global i8*		; <i8**> [#uses=1]
+
+declare void @diff(i8*, i8*, i32, i32, i32, i32) nounwind
+
+define void @SIM(i8* %A, i8* %B, i32 %M, i32 %N, i32 %K, [256 x i32]* %V, i32 %Q, i32 %R, i32 %nseq) nounwind {
+entry:
+	br i1 undef, label %bb5, label %bb
+
+bb:		; preds = %bb, %entry
+	br label %bb
+
+bb5:		; preds = %entry
+	br i1 undef, label %bb6, label %bb8
+
+bb6:		; preds = %bb6, %bb5
+	br i1 undef, label %bb8, label %bb6
+
+bb8:		; preds = %bb6, %bb5
+	%0 = load i8** @name1, align 4		; <i8*> [#uses=0]
+	br label %bb15
+
+bb9:		; preds = %bb15
+	br i1 undef, label %bb10, label %bb11
+
+bb10:		; preds = %bb9
+	unreachable
+
+bb11:		; preds = %bb9
+	store i32 0, i32* @no_mis, align 4
+	%1 = getelementptr i8* %A, i32 0		; <i8*> [#uses=1]
+	%2 = getelementptr i8* %B, i32 0		; <i8*> [#uses=1]
+	tail call  void @diff(i8* %1, i8* %2, i32 undef, i32 undef, i32 undef, i32 undef) nounwind
+	br i1 undef, label %bb15, label %bb12
+
+bb12:		; preds = %bb11
+	%3 = load i32** @II, align 4		; <i32*> [#uses=1]
+	%4 = load i32* @r, align 4		; <i32> [#uses=1]
+	%5 = load i32* @qr, align 4		; <i32> [#uses=1]
+	br label %bb228.i
+
+bb74.i:		; preds = %bb228.i
+	br i1 undef, label %bb138.i, label %bb145.i
+
+bb138.i:		; preds = %bb74.i
+	br label %bb145.i
+
+bb145.i:		; preds = %bb228.i, %bb138.i, %bb74.i
+	br i1 undef, label %bb146.i, label %bb151.i
+
+bb146.i:		; preds = %bb145.i
+	br i1 undef, label %bb228.i, label %bb151.i
+
+bb151.i:		; preds = %bb146.i, %bb145.i
+	br i1 undef, label %bb153.i, label %bb228.i
+
+bb153.i:		; preds = %bb151.i
+	%6 = add i32 undef, -1		; <i32> [#uses=3]
+	br i1 undef, label %bb220.i, label %bb.nph.i98
+
+bb.nph.i98:		; preds = %bb153.i
+	br label %bb158.i
+
+bb158.i:		; preds = %bb218.i, %bb.nph.i98
+	%c.1020.i = phi i32 [ 0, %bb.nph.i98 ], [ %c.14.i, %bb218.i ]		; <i32> [#uses=1]
+	%f.419.i = phi i32 [ undef, %bb.nph.i98 ], [ %f.5.i, %bb218.i ]		; <i32> [#uses=1]
+	%pi.316.i = phi i32 [ undef, %bb.nph.i98 ], [ %10, %bb218.i ]		; <i32> [#uses=1]
+	%fj.515.i = phi i32 [ %6, %bb.nph.i98 ], [ %fj.4.i, %bb218.i ]		; <i32> [#uses=2]
+	%fi.614.i = phi i32 [ undef, %bb.nph.i98 ], [ %fi.5.i, %bb218.i ]		; <i32> [#uses=3]
+	%cj.811.i = phi i32 [ %6, %bb.nph.i98 ], [ %cj.11.i100, %bb218.i ]		; <i32> [#uses=3]
+	%ci.910.i = phi i32 [ undef, %bb.nph.i98 ], [ %ci.12.i, %bb218.i ]		; <i32> [#uses=2]
+	%7 = sub i32 %f.419.i, %4		; <i32> [#uses=5]
+	%8 = sub i32 %c.1020.i, %5		; <i32> [#uses=2]
+	%9 = icmp slt i32 %7, %8		; <i1> [#uses=1]
+	br i1 %9, label %bb168.i, label %bb160.i
+
+bb160.i:		; preds = %bb158.i
+	br i1 undef, label %bb161.i, label %bb168.i
+
+bb161.i:		; preds = %bb160.i
+	br i1 undef, label %bb168.i, label %bb163.i
+
+bb163.i:		; preds = %bb161.i
+	br i1 undef, label %bb167.i, label %bb168.i
+
+bb167.i:		; preds = %bb163.i
+	br label %bb168.i
+
+bb168.i:		; preds = %bb167.i, %bb163.i, %bb161.i, %bb160.i, %bb158.i
+	%fi.5.i = phi i32 [ %fi.614.i, %bb167.i ], [ %ci.910.i, %bb158.i ], [ %fi.614.i, %bb160.i ], [ %ci.910.i, %bb161.i ], [ %fi.614.i, %bb163.i ]		; <i32> [#uses=2]
+	%fj.4.i = phi i32 [ %cj.811.i, %bb167.i ], [ %cj.811.i, %bb158.i ], [ %fj.515.i, %bb160.i ], [ %cj.811.i, %bb161.i ], [ %fj.515.i, %bb163.i ]		; <i32> [#uses=2]
+	%f.5.i = phi i32 [ %7, %bb167.i ], [ %8, %bb158.i ], [ %7, %bb160.i ], [ %7, %bb161.i ], [ %7, %bb163.i ]		; <i32> [#uses=2]
+	%scevgep88.i = getelementptr i32* %3, i32 undef		; <i32*> [#uses=1]
+	%ci.10.i = select i1 undef, i32 %pi.316.i, i32 undef		; <i32> [#uses=0]
+	%ci.12.i = select i1 undef, i32 %fi.5.i, i32 undef		; <i32> [#uses=1]
+	%cj.11.i100 = select i1 undef, i32 %fj.4.i, i32 undef		; <i32> [#uses=1]
+	%c.14.i = select i1 undef, i32 %f.5.i, i32 undef		; <i32> [#uses=1]
+	%10 = load i32* %scevgep88.i, align 4		; <i32> [#uses=1]
+	br i1 undef, label %bb211.i, label %bb218.i
+
+bb211.i:		; preds = %bb168.i
+	br label %bb218.i
+
+bb218.i:		; preds = %bb211.i, %bb168.i
+	br i1 undef, label %bb220.i, label %bb158.i
+
+bb220.i:		; preds = %bb218.i, %bb153.i
+	%11 = getelementptr i32* null, i32 %6		; <i32*> [#uses=1]
+	store i32 undef, i32* %11, align 4
+	br i1 undef, label %bb221.i, label %bb228.i
+
+bb221.i:		; preds = %bb220.i
+	br label %bb228.i
+
+bb228.i:		; preds = %bb221.i, %bb220.i, %bb151.i, %bb146.i, %bb12
+	br i1 undef, label %bb74.i, label %bb145.i
+
+bb15:		; preds = %bb11, %bb8
+	br i1 undef, label %return, label %bb9
+
+return:		; preds = %bb15
+	ret void
+}