It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 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
index 0000000..1fd6ed3
--- /dev/null
+++ b/test/CodeGen/ARM/ldr_frame.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-as < %s | llc -march=arm | not grep mov
+; RUN: llvm-as < %s | llc -march=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
+}