From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGen/arm-asm-variable.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 clang/test/CodeGen/arm-asm-variable.c (limited to 'clang/test/CodeGen/arm-asm-variable.c') 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)); +} -- cgit v1.2.3