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Diffstat (limited to 'clang/test/CodeGen/asm-goto.c')
-rw-r--r-- | clang/test/CodeGen/asm-goto.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CodeGen/asm-goto.c b/clang/test/CodeGen/asm-goto.c new file mode 100644 index 00000000000..2c4a1a0c4df --- /dev/null +++ b/clang/test/CodeGen/asm-goto.c @@ -0,0 +1,18 @@ +// RUN: %clang_cc1 -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 !2 + // 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 !3 + // CHECK: asm.fallthrough1: + return 0; +loop: + return 0; +label_true: + return 1; +} |