1 files changed, 59 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/dyn-stackalloc.ll b/test/CodeGen/Thumb/dyn-stackalloc.ll
new file mode 100644
index 0000000000000..cd76250bf0a71
--- /dev/null
+++ b/test/CodeGen/Thumb/dyn-stackalloc.ll
@@ -0,0 +1,59 @@
+; RUN: llvm-as < %s | llc -march=thumb | not grep {ldr sp}
+; RUN: llvm-as < %s | llc -mtriple=thumb-apple-darwin | \
+; RUN:   not grep {sub.*r7}
+; RUN: llvm-as < %s | llc -march=thumb | grep 4294967280
+
+	%struct.state = type { i32, %struct.info*, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* }
+	%struct.info = type { i32, i32, i32, i32, i32, i32, i32, i8* }
+
+define void @t1(%struct.state* %v) {
+	%tmp6 = load i32* null
+	%tmp8 = alloca float, i32 %tmp6
+	store i32 1, i32* null
+	br i1 false, label %bb123.preheader, label %return
+
+bb123.preheader:
+	br i1 false, label %bb43, label %return
+
+bb43:
+	call fastcc void @f1( float* %tmp8, float* null, i32 0 )
+	%tmp70 = load i32* null
+	%tmp85 = getelementptr float* %tmp8, i32 0
+	call fastcc void @f2( float* null, float* null, float* %tmp85, i32 %tmp70 )
+	ret void
+
+return:
+	ret void
+}
+
+declare fastcc void @f1(float*, float*, i32)
+
+declare fastcc void @f2(float*, float*, float*, i32)
+
+	%struct.comment = type { i8**, i32*, i32, i8* }
+@str215 = external global [2 x i8]
+
+define void @t2(%struct.comment* %vc, i8* %tag, i8* %contents) {
+	%tmp1 = call i32 @strlen( i8* %tag )
+	%tmp3 = call i32 @strlen( i8* %contents )
+	%tmp4 = add i32 %tmp1, 2
+	%tmp5 = add i32 %tmp4, %tmp3
+	%tmp6 = alloca i8, i32 %tmp5
+	%tmp9 = call i8* @strcpy( i8* %tmp6, i8* %tag )
+	%tmp6.len = call i32 @strlen( i8* %tmp6 )
+	%tmp6.indexed = getelementptr i8* %tmp6, i32 %tmp6.len
+	call void @llvm.memcpy.i32( i8* %tmp6.indexed, i8* getelementptr ([2 x i8]* @str215, i32 0, i32 0), i32 2, i32 1 )
+	%tmp15 = call i8* @strcat( i8* %tmp6, i8* %contents )
+	call fastcc void @comment_add( %struct.comment* %vc, i8* %tmp6 )
+	ret void
+}
+
+declare i32 @strlen(i8*)
+
+declare i8* @strcat(i8*, i8*)
+
+declare fastcc void @comment_add(%struct.comment*, i8*)
+
+declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
+
+declare i8* @strcpy(i8*, i8*)