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Diffstat (limited to 'test/CodeGen/X86/rdtsc.ll')
| -rw-r--r-- | test/CodeGen/X86/rdtsc.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/X86/rdtsc.ll b/test/CodeGen/X86/rdtsc.ll new file mode 100644 index 000000000000..f5d947fcbabb --- /dev/null +++ b/test/CodeGen/X86/rdtsc.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep rdtsc +; RUN: llvm-as < %s | llc -march=x86-64 | grep rdtsc +declare i64 @llvm.readcyclecounter() + +define i64 @foo() { + %tmp.1 = call i64 @llvm.readcyclecounter( ) ; <i64> [#uses=1] + ret i64 %tmp.1 +} |