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llvm-mirror/test/CodeGen/X86/add-i64.ll
Puyan Lotfi d4c615be8c Followup on Proposal to move MIR physical register namespace to '$' sigil.
Discussed here:

http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html

In preparation for adding support for named vregs we are changing the sigil for
physical registers in MIR to '$' from '%'. This will prevent name clashes of
named physical register with named vregs.

llvm-svn: 323922
2018-01-31 22:04:26 +00:00

28 lines
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LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefixes=X64
define i32 @pr32690(i32) {
; X86-LABEL: pr32690:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: xorl %eax, %eax
; X86-NEXT: addl $63, %ecx
; X86-NEXT: setb %al
; X86-NEXT: shldl $26, %ecx, %eax
; X86-NEXT: retl
;
; X64-LABEL: pr32690:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: addq $63, %rax
; X64-NEXT: shrq $6, %rax
; X64-NEXT: # kill: def $eax killed $eax killed $rax
; X64-NEXT: retq
%2 = zext i32 %0 to i64
%3 = add nuw nsw i64 %2, 63
%4 = lshr i64 %3, 6
%5 = trunc i64 %4 to i32
ret i32 %5
}