mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 06:30:19 +00:00
2a6d9eb10b
The potential DAGCombine which enforces this more generally messes up some other very fragile patterns, so I'm leaving that alone, at least for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132809 91177308-0d34-0410-b5e6-96231b3b80d8
12 lines
204 B
LLVM
12 lines
204 B
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
|
|
|
|
define i64 @test(i64 %A) {
|
|
; CHECK: @test
|
|
; CHECK: shrq $54
|
|
; CHECK: andq $1020
|
|
; CHECK: ret
|
|
%B = lshr i64 %A, 56
|
|
%C = shl i64 %B, 2
|
|
ret i64 %C
|
|
}
|