diff options
author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
---|---|---|
committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/arm-asm-variable.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/arm-asm-variable.c')
-rw-r--r-- | clang/test/CodeGen/arm-asm-variable.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/clang/test/CodeGen/arm-asm-variable.c b/clang/test/CodeGen/arm-asm-variable.c new file mode 100644 index 0000000..865d197 --- /dev/null +++ b/clang/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)); +} |