| Simon Pilgrim | cbc2d1e | 2018-01-30 14:15:51 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86 |
| 3 | ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefixes=X64 |
| 4 | |
| 5 | define i32 @pr32690(i32) { |
| 6 | ; X86-LABEL: pr32690: |
| 7 | ; X86: # %bb.0: |
| 8 | ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| 9 | ; X86-NEXT: xorl %eax, %eax |
| 10 | ; X86-NEXT: addl $63, %ecx |
| 11 | ; X86-NEXT: setb %al |
| 12 | ; X86-NEXT: shldl $26, %ecx, %eax |
| 13 | ; X86-NEXT: retl |
| 14 | ; |
| 15 | ; X64-LABEL: pr32690: |
| 16 | ; X64: # %bb.0: |
| 17 | ; X64-NEXT: movl %edi, %eax |
| 18 | ; X64-NEXT: addq $63, %rax |
| 19 | ; X64-NEXT: shrq $6, %rax |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame^] | 20 | ; X64-NEXT: # kill: def $eax killed $eax killed $rax |
| Simon Pilgrim | cbc2d1e | 2018-01-30 14:15:51 +0000 | [diff] [blame] | 21 | ; X64-NEXT: retq |
| 22 | %2 = zext i32 %0 to i64 |
| 23 | %3 = add nuw nsw i64 %2, 63 |
| 24 | %4 = lshr i64 %3, 6 |
| 25 | %5 = trunc i64 %4 to i32 |
| 26 | ret i32 %5 |
| 27 | } |