llvm-project/clang/test/CodeGen/asm-goto.c

21 lines
733 B
C

// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -O0 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple i386-pc-linux-gnu-O0 -emit-llvm %s -o - | FileCheck %s
int foo(int cond)
{
// CHECK: callbr void asm sideeffect
// CHECK: to label %asm.fallthrough [label %label_true, label %loop], !srcloc
// CHECK: asm.fallthrough:
asm volatile goto("testl %0, %0; jne %l1;" :: "r"(cond)::label_true, loop);
asm volatile goto("testl %0, %0; jne %l1;" :: "r"(cond)::label_true, loop);
// CHECK: callbr void asm sideeffect
// CHECK: to label %asm.fallthrough1 [label %label_true, label %loop], !srcloc
// CHECK: asm.fallthrough1:
return 0;
loop:
return 0;
label_true:
return 1;
}