| Simon Pilgrim | 1c83cd1 | 2017-12-11 15:53:12 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+clzero | FileCheck %s --check-prefix=GENERIC |
| 3 | ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=ZNVER1 |
| 4 | |
| 5 | define void @test_clzero(i8* %p) { |
| 6 | ; GENERIC-LABEL: test_clzero: |
| 7 | ; GENERIC: # %bb.0: |
| 8 | ; GENERIC-NEXT: leaq (%rdi), %rax # sched: [1:0.50] |
| 9 | ; GENERIC-NEXT: clzero # sched: [100:0.33] |
| 10 | ; GENERIC-NEXT: retq # sched: [1:1.00] |
| 11 | ; |
| 12 | ; ZNVER1-LABEL: test_clzero: |
| 13 | ; ZNVER1: # %bb.0: |
| 14 | ; ZNVER1-NEXT: leaq (%rdi), %rax # sched: [1:0.25] |
| 15 | ; ZNVER1-NEXT: clzero # sched: [100:?] |
| 16 | ; ZNVER1-NEXT: retq # sched: [1:0.50] |
| 17 | tail call void @llvm.x86.clzero(i8* %p) |
| 18 | ret void |
| 19 | } |
| 20 | declare void @llvm.x86.clzero(i8*) |