Add ARM LDR parsing tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136977 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/arm-memory-instructions.s b/test/MC/ARM/arm-memory-instructions.s
new file mode 100644 (file)
index 0000000..f715e85
--- /dev/null
+++ b/test/MC/ARM/arm-memory-instructions.s
@@ -0,0 +1,26 @@
+@ RUN: llvm-mc -triple=armv7-apple-darwin -show-encoding < %s | FileCheck %s
+  .syntax unified
+  .globl _func
+
+@ Check that the assembler can handle the documented syntax from the ARM ARM
+@ for loads and stores.
+
+_func:
+@ CHECK: _func
+
+@------------------------------------------------------------------------------
+@ LDR (immediate)
+@------------------------------------------------------------------------------
+        ldr r5, [r7]
+        ldr r6, [r3, #63]
+        ldr r2, [r4, #4095]!
+        ldr r1, [r2], #30
+        ldr r3, [r1], #-30
+
+@ CHECK: ldr   r5, [r7]                @ encoding: [0x00,0x50,0x97,0xe5]
+@ CHECK: ldr   r6, [r3, #63]           @ encoding: [0x3f,0x60,0x93,0xe5]
+@ CHECK: ldr   r2, [r4, #4095]!        @ encoding: [0xff,0x2f,0xb4,0xe5]
+@ CHECK: ldr   r1, [r2], #30           @ encoding: [0x1e,0x10,0x92,0xe4]
+@ CHECK: ldr   r3, [r1], #-30          @ encoding: [0x1e,0x30,0x11,0xe4]
+
+