forked from OSchip/llvm-project
150 lines
2.5 KiB
C
150 lines
2.5 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck %s
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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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void t7(int a) {
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__asm__ volatile("T7 NAMED: %[input]" : "+r"(a): [input] "i" (4));
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// CHECK: @t7(i32
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// CHECK: T7 NAMED: $1
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}
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void t8() {
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__asm__ volatile("T8 NAMED MODIFIER: %c[input]" :: [input] "i" (4));
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// CHECK: @t8()
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// CHECK: T8 NAMED MODIFIER: ${0:c}
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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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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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// CHECK: @t10(
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// CHECK:PR3908 $1 $3 $2 $0
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}
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// PR3373
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unsigned t11(signed char input) {
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unsigned output;
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__asm__("xyz"
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: "=a" (output)
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: "0" (input));
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return output;
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}
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// PR3373
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unsigned char t12(unsigned input) {
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unsigned char output;
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__asm__("xyz"
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: "=a" (output)
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: "0" (input));
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return output;
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}
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unsigned char t13(unsigned input) {
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unsigned char output;
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__asm__("xyz %1"
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: "=a" (output)
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: "0" (input));
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return output;
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}
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struct large {
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int x[1000];
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};
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unsigned long t15(int x, struct large *P) {
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__asm__("xyz "
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: "=r" (x)
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: "m" (*P), "0" (x));
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return x;
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}
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// bitfield destination of an asm.
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struct S {
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int a : 4;
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};
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void t14(struct S *P) {
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__asm__("abc %0" : "=r"(P->a) );
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}
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// PR4938
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int t16() {
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int a,b;
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asm ( "nop;"
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:"=%c" (a)
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: "r" (b)
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);
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return 0;
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}
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// PR6475
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void t17() {
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int i;
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__asm__ ( "nop": "=m"(i));
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// CHECK: @t17()
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// CHECK: call void asm "nop", "=*m,
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}
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// <rdar://problem/6841383>
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int t18(unsigned data) {
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int a, b;
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asm("xyz" :"=a"(a), "=d"(b) : "a"(data));
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return a + b;
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// CHECK: t18(i32
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// CHECK: = call {{.*}}asm "xyz"
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// CHECK-NEXT: extractvalue
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// CHECK-NEXT: extractvalue
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}
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// PR6780
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int t19(unsigned data) {
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int a, b;
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asm("x{abc|def|ghi}z" :"=r"(a): "r"(data));
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return a + b;
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// CHECK: t19(i32
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// CHECK: = call {{.*}}asm "x$(abc$|def$|ghi$)z"
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}
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