Added some load from stack frames test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33473 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/ARM/ldr_frame.ll b/test/CodeGen/ARM/ldr_frame.ll
new file mode 100644 (file)
index 0000000..23407c0
--- /dev/null
+++ b/test/CodeGen/ARM/ldr_frame.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -march=arm | not grep mov &&
+; RUN: llvm-as < %s | llc -march=arm -enable-thumb &&
+; RUN: llvm-as < %s | llc -march=arm -enable-thumb | grep cpy | wc -l | grep 2
+
+define i32 %f1() {
+       %buf = alloca [32 x i32], align 4
+       %tmp = getelementptr [32 x i32]* %buf, i32 0, i32 0
+       %tmp1 = load i32* %tmp
+       ret i32 %tmp1
+}
+
+define i32 %f2() {
+       %buf = alloca [32 x i8], align 4
+       %tmp = getelementptr [32 x i8]* %buf, i32 0, i32 0
+       %tmp1 = load i8* %tmp
+        %tmp2 = zext i8 %tmp1 to i32
+       ret i32 %tmp2
+}
+
+define i32 %f3() {
+       %buf = alloca [32 x i32], align 4
+       %tmp = getelementptr [32 x i32]* %buf, i32 0, i32 32
+       %tmp1 = load i32* %tmp
+       ret i32 %tmp1
+}
+
+define i32 %f4() {
+       %buf = alloca [32 x i8], align 4
+       %tmp = getelementptr [32 x i8]* %buf, i32 0, i32 2
+       %tmp1 = load i8* %tmp
+        %tmp2 = zext i8 %tmp1 to i32
+       ret i32 %tmp2
+}