1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=i686 | FileCheck %s --check-prefix=X86
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
5 ; Combine BSWAP (lowered to rolw 8) with a second rotate.
6 ; This test checks for combining rotates with inconsistent constant value types.
8 define i16 @combine_bswap_rotate(i16 %a0) {
9 ; X86-LABEL: combine_bswap_rotate:
11 ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
12 ; X86-NEXT: rolw $9, %ax
15 ; X64-LABEL: combine_bswap_rotate:
17 ; X64-NEXT: movl %edi, %eax
18 ; X64-NEXT: rolw $9, %ax
19 ; X64-NEXT: # kill: def $ax killed $ax killed $eax
21 %1 = call i16 @llvm.bswap.i16(i16 %a0)
28 declare i16 @llvm.bswap.i16(i16)