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-rw-r--r--test/CodeGen/asm.c103
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) );
+}
+
+
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