forked from OSchip/llvm-project
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
// RUN: clang-cc -emit-llvm %s -o %t -arch=i386 &&
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void t1(int len) {
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__asm__ volatile("" : "=&r"(len), "+&r"(len));
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}
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void t2(unsigned long long t) {
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__asm__ volatile("" : "+m"(t));
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}
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void t3(unsigned char *src, unsigned long long temp) {
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__asm__ volatile("" : "+m"(temp), "+r"(src));
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}
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void t4() {
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unsigned long long a;
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struct reg { unsigned long long a, b; } b;
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__asm__ volatile ("":: "m"(a), "m"(b));
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}
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// PR3417
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void t5(int i) {
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asm("nop" : "=r"(i) : "0"(t5));
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}
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// PR3641
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void t6(void) {
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__asm__ volatile("" : : "i" (t6));
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}
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// RUN: grep "T7 NAMED: \$1" %t &&
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void t7(int a) {
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__asm__ volatile("T7 NAMED: %[input]" : "+r"(a): [input] "i" (4));
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}
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// RUN: grep "T8 NAMED MODIFIER: \${0:c}" %t
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void t8() {
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__asm__ volatile("T8 NAMED MODIFIER: %c[input]" :: [input] "i" (4));
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}
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// PR3682
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unsigned t9(unsigned int a) {
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asm("bswap %0 %1" : "+r" (a));
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return a;
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}
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// PR3908
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// RUN: grep "PR3908 \$1 \$3 \$2 \$0" %t
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void t10(int r) {
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__asm__("PR3908 %[lf] %[xx] %[li] %[r]" : [r] "+r" (r) : [lf] "mx" (0), [li] "mr" (0), [xx] "x" ((double)(0)));
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}
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