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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-11 15:53:12 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-11 15:53:12 +0000 |
| commit | 1c83cd18ae6582d9f7dc17a6680835b61e9bb6fd (patch) | |
| tree | ffa86cea9362791f63590df0c3e267ef951e5a46 | |
| parent | 3c934e4864be2e906c438f80c332371bc9db4a08 (diff) | |
| download | bcm5719-llvm-1c83cd18ae6582d9f7dc17a6680835b61e9bb6fd.tar.gz bcm5719-llvm-1c83cd18ae6582d9f7dc17a6680835b61e9bb6fd.zip | |
[X86] Add CLZERO schedule test
llvm-svn: 320382
| -rw-r--r-- | llvm/test/CodeGen/X86/clzero-schedule.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/clzero-schedule.ll b/llvm/test/CodeGen/X86/clzero-schedule.ll new file mode 100644 index 00000000000..3a1c1b2cdc7 --- /dev/null +++ b/llvm/test/CodeGen/X86/clzero-schedule.ll @@ -0,0 +1,20 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+clzero | FileCheck %s --check-prefix=GENERIC +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=ZNVER1 + +define void @test_clzero(i8* %p) { +; GENERIC-LABEL: test_clzero: +; GENERIC: # %bb.0: +; GENERIC-NEXT: leaq (%rdi), %rax # sched: [1:0.50] +; GENERIC-NEXT: clzero # sched: [100:0.33] +; GENERIC-NEXT: retq # sched: [1:1.00] +; +; ZNVER1-LABEL: test_clzero: +; ZNVER1: # %bb.0: +; ZNVER1-NEXT: leaq (%rdi), %rax # sched: [1:0.25] +; ZNVER1-NEXT: clzero # sched: [100:?] +; ZNVER1-NEXT: retq # sched: [1:0.50] + tail call void @llvm.x86.clzero(i8* %p) + ret void +} +declare void @llvm.x86.clzero(i8*) |
