1 files changed, 72 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-ldr.ll b/test/CodeGen/Thumb2/thumb2-ldr.ll
new file mode 100644
index 0000000..94888fd
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldr.ll
@@ -0,0 +1,72 @@
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+
+define i32 @f1(i32* %v) {
+entry:
+; CHECK: f1:
+; CHECK: ldr r0, [r0]
+        %tmp = load i32* %v
+        ret i32 %tmp
+}
+
+define i32 @f2(i32* %v) {
+entry:
+; CHECK: f2:
+; CHECK: ldr.w r0, [r0, #+4092]
+        %tmp2 = getelementptr i32* %v, i32 1023
+        %tmp = load i32* %tmp2
+        ret i32 %tmp
+}
+
+define i32 @f3(i32* %v) {
+entry:
+; CHECK: f3:
+; CHECK: mov.w r1, #4096
+; CHECK: ldr r0, [r0, r1]
+        %tmp2 = getelementptr i32* %v, i32 1024
+        %tmp = load i32* %tmp2
+        ret i32 %tmp
+}
+
+define i32 @f4(i32 %base) {
+entry:
+; CHECK: f4:
+; CHECK: ldr r0, [r0, #-128]
+        %tmp1 = sub i32 %base, 128
+        %tmp2 = inttoptr i32 %tmp1 to i32*
+        %tmp3 = load i32* %tmp2
+        ret i32 %tmp3
+}
+
+define i32 @f5(i32 %base, i32 %offset) {
+entry:
+; CHECK: f5:
+; CHECK: ldr r0, [r0, r1]
+        %tmp1 = add i32 %base, %offset
+        %tmp2 = inttoptr i32 %tmp1 to i32*
+        %tmp3 = load i32* %tmp2
+        ret i32 %tmp3
+}
+
+define i32 @f6(i32 %base, i32 %offset) {
+entry:
+; CHECK: f6:
+; CHECK: ldr.w r0, [r0, r1, lsl #2]
+        %tmp1 = shl i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i32*
+        %tmp4 = load i32* %tmp3
+        ret i32 %tmp4
+}
+
+define i32 @f7(i32 %base, i32 %offset) {
+entry:
+; CHECK: f7:
+; CHECK: lsrs r1, r1, #2
+; CHECK: ldr r0, [r0, r1]
+
+        %tmp1 = lshr i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i32*
+        %tmp4 = load i32* %tmp3
+        ret i32 %tmp4
+}