mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 18:29:45 +00:00
7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
1.6 KiB
LLVM
73 lines
1.6 KiB
LLVM
; RUN: opt < %s -tbaa -basicaa -dse -S | FileCheck %s
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
; DSE should make use of TBAA.
|
|
|
|
; CHECK: @test0_yes
|
|
; CHECK-NEXT: load i8, i8* %b
|
|
; CHECK-NEXT: store i8 1, i8* %a
|
|
; CHECK-NEXT: ret i8 %y
|
|
define i8 @test0_yes(i8* %a, i8* %b) nounwind {
|
|
store i8 0, i8* %a, !tbaa !1
|
|
%y = load i8, i8* %b, !tbaa !2
|
|
store i8 1, i8* %a, !tbaa !1
|
|
ret i8 %y
|
|
}
|
|
|
|
; CHECK: @test0_no
|
|
; CHECK-NEXT: store i8 0, i8* %a
|
|
; CHECK-NEXT: load i8, i8* %b
|
|
; CHECK-NEXT: store i8 1, i8* %a
|
|
; CHECK-NEXT: ret i8 %y
|
|
define i8 @test0_no(i8* %a, i8* %b) nounwind {
|
|
store i8 0, i8* %a, !tbaa !3
|
|
%y = load i8, i8* %b, !tbaa !4
|
|
store i8 1, i8* %a, !tbaa !3
|
|
ret i8 %y
|
|
}
|
|
|
|
; CHECK: @test1_yes
|
|
; CHECK-NEXT: load i8, i8* %b
|
|
; CHECK-NEXT: store i8 1, i8* %a
|
|
; CHECK-NEXT: ret i8 %y
|
|
define i8 @test1_yes(i8* %a, i8* %b) nounwind {
|
|
store i8 0, i8* %a
|
|
%y = load i8, i8* %b, !tbaa !5
|
|
store i8 1, i8* %a
|
|
ret i8 %y
|
|
}
|
|
|
|
; CHECK: @test1_no
|
|
; CHECK-NEXT: store i8 0, i8* %a
|
|
; CHECK-NEXT: load i8, i8* %b
|
|
; CHECK-NEXT: store i8 1, i8* %a
|
|
; CHECK-NEXT: ret i8 %y
|
|
define i8 @test1_no(i8* %a, i8* %b) nounwind {
|
|
store i8 0, i8* %a
|
|
%y = load i8, i8* %b, !tbaa !6
|
|
store i8 1, i8* %a
|
|
ret i8 %y
|
|
}
|
|
|
|
; Root note.
|
|
!0 = !{ }
|
|
; Some type.
|
|
!1 = !{!7, !7, i64 0}
|
|
; Some other non-aliasing type.
|
|
!2 = !{!8, !8, i64 0}
|
|
|
|
; Some type.
|
|
!3 = !{!9, !9, i64 0}
|
|
; Some type in a different type system.
|
|
!4 = !{!10, !10, i64 0}
|
|
|
|
; Invariant memory.
|
|
!5 = !{!11, !11, i64 0, i1 1}
|
|
; Not invariant memory.
|
|
!6 = !{!11, !11, i64 0, i1 0}
|
|
!7 = !{ !"foo", !0 }
|
|
!8 = !{ !"bar", !0 }
|
|
!9 = !{ !"foo", !0 }
|
|
!10 = !{ !"bar", !"different" }
|
|
!11 = !{ !"qux", !0}
|