From 611ba3ea3300b71eb95dc4e45f20eee5dddd32e1 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 17 Jul 2011 15:40:56 +0000
Subject: Vendor import of clang trunk r135360:
http://llvm.org/svn/llvm-project/cfe/trunk@135360
---
test/CodeGen/arm-asm-variable.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 test/CodeGen/arm-asm-variable.c
(limited to 'test/CodeGen/arm-asm-variable.c')
diff --git a/test/CodeGen/arm-asm-variable.c b/test/CodeGen/arm-asm-variable.c
new file mode 100644
index 0000000..865d197
--- /dev/null
+++ b/test/CodeGen/arm-asm-variable.c
@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s
+
+typedef long long int64_t;
+typedef unsigned int uint32_t;
+
+int64_t foo(int64_t v, volatile int64_t *p)
+{
+ register uint32_t rl asm("r1");
+ register uint32_t rh asm("r2");
+
+ int64_t r;
+ uint32_t t;
+
+ __asm__ __volatile__( \
+ "ldrexd%[_rl], %[_rh], [%[_p]]" \
+ : [_rl] "=&r" (rl), [_rh] "=&r" (rh) \
+ : [_p] "p" (p) : "memory");
+
+ // CHECK: call { i32, i32 } asm sideeffect "ldrexd$0, $1, [$2]", "={r1},={r2},r,~{memory}"(i64*
+
+ return r;
+}
+
+// Make sure we translate register names properly.
+void bar (void) {
+ register unsigned int rn asm("r14");
+ register unsigned int d asm("r2");
+
+ // CHECK: call i32 asm sideeffect "sub $1, $1, #32", "={r2},{lr}"
+ asm volatile ("sub %1, %1, #32" : "=r"(d) : "r"(rn));
+}
--
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