| Craig Topper | 50f3d14 | 2017-02-09 04:27:34 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=x86_64-linux -mattr=+clzero | FileCheck %s --check-prefix=X64 |
| 3 | ; RUN: llc < %s -mtriple=i386-pc-linux -mattr=+clzero | FileCheck %s --check-prefix=X32 |
| 4 | |
| 5 | define void @foo(i8* %p) #0 { |
| 6 | ; X64-LABEL: foo: |
| Francis Visoiu Mistrih | 25528d6 | 2017-12-04 17:18:51 +0000 | [diff] [blame] | 7 | ; X64: # %bb.0: # %entry |
| Craig Topper | 50f3d14 | 2017-02-09 04:27:34 +0000 | [diff] [blame] | 8 | ; X64-NEXT: leaq (%rdi), %rax |
| 9 | ; X64-NEXT: clzero |
| 10 | ; X64-NEXT: retq |
| 11 | ; |
| 12 | ; X32-LABEL: foo: |
| Francis Visoiu Mistrih | 25528d6 | 2017-12-04 17:18:51 +0000 | [diff] [blame] | 13 | ; X32: # %bb.0: # %entry |
| Craig Topper | 50f3d14 | 2017-02-09 04:27:34 +0000 | [diff] [blame] | 14 | ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| 15 | ; X32-NEXT: leal (%eax), %eax |
| 16 | ; X32-NEXT: clzero |
| 17 | ; X32-NEXT: retl |
| 18 | entry: |
| 19 | tail call void @llvm.x86.clzero(i8* %p) #1 |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | declare void @llvm.x86.clzero(i8*) #1 |