| 1 | // REQUIRES: arm-registered-target |
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| 2 | // RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s |
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| 3 | |
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| 4 | typedef long long int64_t; |
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| 5 | typedef unsigned int uint32_t; |
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| 6 | |
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| 7 | int64_t foo(int64_t v, volatile int64_t *p) |
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| 8 | { |
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| 9 | register uint32_t rl asm("r1"); |
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| 10 | register uint32_t rh asm("r2"); |
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| 11 | |
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| 12 | int64_t r; |
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| 13 | uint32_t t; |
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| 14 | |
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| 15 | __asm__ __volatile__( \ |
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| 16 | "ldrexd%[_rl], %[_rh], [%[_p]]" \ |
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| 17 | : [_rl] "=&r" (rl), [_rh] "=&r" (rh) \ |
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| 18 | : [_p] "p" (p) : "memory"); |
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| 19 | |
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| 20 | // CHECK: call { i32, i32 } asm sideeffect "ldrexd$0, $1, [$2]", "=&{r1},=&{r2},r,~{memory}"(i64* |
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| 21 | |
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| 22 | return r; |
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| 23 | } |
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| 24 | |
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| 25 | // Make sure we translate register names properly. |
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| 26 | void bar (void) { |
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| 27 | register unsigned int rn asm("r14"); |
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| 28 | register unsigned int d asm("r2"); |
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| 29 | |
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| 30 | // CHECK: call i32 asm sideeffect "sub $1, $1, #32", "={r2},{lr}" |
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| 31 | asm volatile ("sub %1, %1, #32" : "=r"(d) : "r"(rn)); |
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| 32 | } |
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| 33 | |
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