mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
06c6791742
replacement to make it at least as generic as the instruction being replaced. This includes: * dropping nsw/nuw flags * getting the least restrictive tbaa and fpmath metadata * merging ranges Fixes PR12979. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157958 91177308-0d34-0410-b5e6-96231b3b80d8
102 lines
2.6 KiB
LLVM
102 lines
2.6 KiB
LLVM
; RUN: opt %s -basicaa -gvn -S -o - | FileCheck %s
|
|
|
|
define i32 @test1(i32* %p) {
|
|
; CHECK: @test1(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range !0
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !0
|
|
%b = load i32* %p, !range !0
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test2(i32* %p) {
|
|
; CHECK: @test2(i32* %p)
|
|
; CHECK: %a = load i32* %p
|
|
; CHECK-NOT: range
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !0
|
|
%b = load i32* %p
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test3(i32* %p) {
|
|
; CHECK: @test3(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range ![[DISJOINT_RANGE:[0-9]+]]
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !0
|
|
%b = load i32* %p, !range !1
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test4(i32* %p) {
|
|
; CHECK: @test4(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range ![[MERGED_RANGE:[0-9]+]]
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !0
|
|
%b = load i32* %p, !range !2
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test5(i32* %p) {
|
|
; CHECK: @test5(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range ![[MERGED_SIGNED_RANGE:[0-9]+]]
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !3
|
|
%b = load i32* %p, !range !4
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test6(i32* %p) {
|
|
; CHECK: @test6(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range ![[MERGED_TEST6:[0-9]+]]
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !5
|
|
%b = load i32* %p, !range !6
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test7(i32* %p) {
|
|
; CHECK: @test7(i32* %p)
|
|
; CHECK: %a = load i32* %p, !range ![[MERGED_TEST7:[0-9]+]]
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !7
|
|
%b = load i32* %p, !range !8
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test8(i32* %p) {
|
|
; CHECK: @test8(i32* %p)
|
|
; CHECK: %a = load i32* %p
|
|
; CHECK-NOT: range
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = load i32* %p, !range !9
|
|
%b = load i32* %p, !range !10
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
; CHECK: ![[DISJOINT_RANGE]] = metadata !{i32 0, i32 2, i32 3, i32 5}
|
|
; CHECK: ![[MERGED_RANGE]] = metadata !{i32 0, i32 5}
|
|
; CHECK: ![[MERGED_SIGNED_RANGE]] = metadata !{i32 -3, i32 -2, i32 1, i32 2}
|
|
; CHECK: ![[MERGED_TEST6]] = metadata !{i32 10, i32 1}
|
|
; CHECK: ![[MERGED_TEST7]] = metadata !{i32 3, i32 4, i32 5, i32 2}
|
|
|
|
!0 = metadata !{i32 0, i32 2}
|
|
!1 = metadata !{i32 3, i32 5}
|
|
!2 = metadata !{i32 2, i32 5}
|
|
!3 = metadata !{i32 -3, i32 -2}
|
|
!4 = metadata !{i32 1, i32 2}
|
|
!5 = metadata !{i32 10, i32 1}
|
|
!6 = metadata !{i32 12, i32 13}
|
|
!7 = metadata !{i32 1, i32 2, i32 3, i32 4}
|
|
!8 = metadata !{i32 5, i32 1}
|
|
!9 = metadata !{i32 1, i32 5}
|
|
!10 = metadata !{i32 5, i32 1}
|