xref: /llvm-project/llvm/test/CodeGen/X86/add-i64.ll (revision 43e94b15ea0c180ebb0fd3e6b697dac4564aaf60)
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
5define 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
20; X64-NEXT:    # kill: def $eax killed $eax killed $rax
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}
28