mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
dde785cd70
check if loads that happen in between stores alias with the first store in the chain, only with the second store onwards. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169516 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
787 B
LLVM
24 lines
787 B
LLVM
; RUN: llc < %s -march=x86 -mcpu=corei7 -mtriple=i686-pc-win32 | FileCheck %s
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.8.0"
|
|
|
|
; Make sure that we are zeroing one memory location at a time using xorl and
|
|
; not both using XMM registers.
|
|
|
|
;CHECK: @foo
|
|
;CHECK: xorl
|
|
;CHECK-NOT: xmm
|
|
;CHECK: ret
|
|
define i32 @foo (i64* %so) nounwind uwtable ssp {
|
|
entry:
|
|
%used = getelementptr inbounds i64* %so, i32 3
|
|
store i64 0, i64* %used, align 8
|
|
%fill = getelementptr inbounds i64* %so, i32 2
|
|
%L = load i64* %fill, align 8
|
|
store i64 0, i64* %fill, align 8
|
|
%cmp28 = icmp sgt i64 %L, 0
|
|
%R = sext i1 %cmp28 to i32
|
|
ret i32 %R
|
|
}
|