Added a test case for PR1279.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35398 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 37 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/2007-03-27-RegScavengerAssert.ll b/test/CodeGen/ARM/2007-03-27-RegScavengerAssert.ll
new file mode 100644
index 00000000000..0bb664ee309
--- /dev/null
+++ b/test/CodeGen/ARM/2007-03-27-RegScavengerAssert.ll
@@ -0,0 +1,37 @@
+; RUN: llvm-as < %s | llc -march=arm -mtriple=arm-linux-gnueabi
+; PR1279
+
+	%struct.rtx_def = type { i16, i8, i8, %struct.u }
+	%struct.u = type { [1 x i64] }
+
+implementation   ; Functions:
+
+define fastcc void @find_reloads_address(%struct.rtx_def** %loc) {
+entry:
+	%ad_addr = alloca %struct.rtx_def*		; <%struct.rtx_def**> [#uses=2]
+	br i1 false, label %cond_next416, label %cond_true340
+
+cond_true340:		; preds = %entry
+	ret void
+
+cond_next416:		; preds = %entry
+	%tmp1085 = load %struct.rtx_def** %ad_addr		; <%struct.rtx_def*> [#uses=1]
+	br i1 false, label %bb1084, label %cond_true418
+
+cond_true418:		; preds = %cond_next416
+	ret void
+
+bb1084:		; preds = %cond_next416
+	br i1 false, label %cond_true1092, label %cond_next1102
+
+cond_true1092:		; preds = %bb1084
+	%tmp1094 = getelementptr %struct.rtx_def* %tmp1085, i32 0, i32 3		; <%struct.u*> [#uses=1]
+	%tmp10981099 = bitcast %struct.u* %tmp1094 to %struct.rtx_def**		; <%struct.rtx_def**> [#uses=2]
+	%tmp1101 = load %struct.rtx_def** %tmp10981099		; <%struct.rtx_def*> [#uses=1]
+	store %struct.rtx_def* %tmp1101, %struct.rtx_def** %ad_addr
+	br label %cond_next1102
+
+cond_next1102:		; preds = %cond_true1092, %bb1084
+	%loc_addr.0 = phi %struct.rtx_def** [ %tmp10981099, %cond_true1092 ], [ %loc, %bb1084 ]		; <%struct.rtx_def**> [#uses=0]
+	ret void
+}