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| author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
| commit | c6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch) | |
| tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/CodeGen/X86/rdpmc.ll | |
| parent | 19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff) | |
| download | external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.zip external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.gz external_llvm-c6a4f5e819217e1e12c458aed8e7b122e23a3a58.tar.bz2 | |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/CodeGen/X86/rdpmc.ll')
| -rw-r--r-- | test/CodeGen/X86/rdpmc.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/rdpmc.ll b/test/CodeGen/X86/rdpmc.ll new file mode 100644 index 0000000..7f1ca46 --- /dev/null +++ b/test/CodeGen/X86/rdpmc.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -march=x86-64 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64 +; RUN: llc < %s -march=x86 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=X86 + +; Verify that we correctly lower the "Read Performance-Monitoring Counters" +; x86 builtin. + + +define i64 @test_builtin_read_pmc(i32 %ID) { + %1 = tail call i64 @llvm.x86.rdpmc(i32 %ID) + ret i64 %1 +} +; CHECK-LABEL: test_builtin_read_pmc +; CHECK: rdpmc +; X86-NOT: shlq +; X86-NOT: or +; X86-64: shlq +; X86-64: or +; CHECK-NOT: mov +; CHECK: ret + +declare i64 @llvm.x86.rdpmc(i32 %ID) + |