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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/CodeGen/asm.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/CodeGen/asm.c')
-rw-r--r-- | test/CodeGen/asm.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/test/CodeGen/asm.c b/test/CodeGen/asm.c new file mode 100644 index 0000000..58373fc --- /dev/null +++ b/test/CodeGen/asm.c @@ -0,0 +1,103 @@ +// RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t && +void t1(int len) { + __asm__ volatile("" : "=&r"(len), "+&r"(len)); +} + +void t2(unsigned long long t) { + __asm__ volatile("" : "+m"(t)); +} + +void t3(unsigned char *src, unsigned long long temp) { + __asm__ volatile("" : "+m"(temp), "+r"(src)); +} + +void t4() { + unsigned long long a; + struct reg { unsigned long long a, b; } b; + + __asm__ volatile ("":: "m"(a), "m"(b)); +} + +// PR3417 +void t5(int i) { + asm("nop" : "=r"(i) : "0"(t5)); +} + +// PR3641 +void t6(void) { + __asm__ volatile("" : : "i" (t6)); +} + +// RUN: grep "T7 NAMED: \$1" %t && +void t7(int a) { + __asm__ volatile("T7 NAMED: %[input]" : "+r"(a): [input] "i" (4)); +} + +// RUN: grep "T8 NAMED MODIFIER: \${0:c}" %t +void t8() { + __asm__ volatile("T8 NAMED MODIFIER: %c[input]" :: [input] "i" (4)); +} + +// PR3682 +unsigned t9(unsigned int a) { + asm("bswap %0 %1" : "+r" (a)); + return a; +} + +// PR3908 +// RUN: grep "PR3908 \$1 \$3 \$2 \$0" %t +void t10(int r) { + __asm__("PR3908 %[lf] %[xx] %[li] %[r]" : [r] "+r" (r) : [lf] "mx" (0), [li] "mr" (0), [xx] "x" ((double)(0))); +} + + +// PR3373 +unsigned t11(signed char input) { + unsigned output; + __asm__("xyz" + : "=a" (output) + : "0" (input)); + return output; +} + +// PR3373 +unsigned char t12(unsigned input) { + unsigned char output; + __asm__("xyz" + : "=a" (output) + : "0" (input)); + return output; +} + +unsigned char t13(unsigned input) { + unsigned char output; + __asm__("xyz %1" + : "=a" (output) + : "0" (input)); + return output; +} + +struct large { + int x[1000]; +}; + +unsigned long t15(int x, struct large *P) { + __asm__("xyz " + : "=r" (x) + : "m" (*P), "0" (x)); + return x; +} + + + + +// bitfield destination of an asm. +struct S { + int a : 4; +}; + +void t14(struct S *P) { + __asm__("abc %0" : "=r"(P->a) ); +} + + |