diff options
| -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*) |
