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llvm-mirror/test/Transforms/GVN/range.ll
Duncan P. N. Exon Smith 9c5542c040 IR: Make metadata typeless in assembly
Now that `Metadata` is typeless, reflect that in the assembly.  These
are the matching assembly changes for the metadata/value split in
r223802.

  - Only use the `metadata` type when referencing metadata from a call
    intrinsic -- i.e., only when it's used as a `Value`.

  - Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode`
    when referencing it from call intrinsics.

So, assembly like this:

    define @foo(i32 %v) {
      call void @llvm.foo(metadata !{i32 %v}, metadata !0)
      call void @llvm.foo(metadata !{i32 7}, metadata !0)
      call void @llvm.foo(metadata !1, metadata !0)
      call void @llvm.foo(metadata !3, metadata !0)
      call void @llvm.foo(metadata !{metadata !3}, metadata !0)
      ret void, !bar !2
    }
    !0 = metadata !{metadata !2}
    !1 = metadata !{i32* @global}
    !2 = metadata !{metadata !3}
    !3 = metadata !{}

turns into this:

    define @foo(i32 %v) {
      call void @llvm.foo(metadata i32 %v, metadata !0)
      call void @llvm.foo(metadata i32 7, metadata !0)
      call void @llvm.foo(metadata i32* @global, metadata !0)
      call void @llvm.foo(metadata !3, metadata !0)
      call void @llvm.foo(metadata !{!3}, metadata !0)
      ret void, !bar !2
    }
    !0 = !{!2}
    !1 = !{i32* @global}
    !2 = !{!3}
    !3 = !{}

I wrote an upgrade script that handled almost all of the tests in llvm
and many of the tests in cfe (even handling many `CHECK` lines).  I've
attached it (or will attach it in a moment if you're speedy) to PR21532
to help everyone update their out-of-tree testcases.

This is part of PR21532.

llvm-svn: 224257
2014-12-15 19:07:53 +00:00

102 lines
2.4 KiB
LLVM

; RUN: opt -basicaa -gvn -S < %s | 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]] = !{i32 0, i32 2, i32 3, i32 5}
; CHECK: ![[MERGED_RANGE]] = !{i32 0, i32 5}
; CHECK: ![[MERGED_SIGNED_RANGE]] = !{i32 -3, i32 -2, i32 1, i32 2}
; CHECK: ![[MERGED_TEST6]] = !{i32 10, i32 1}
; CHECK: ![[MERGED_TEST7]] = !{i32 3, i32 4, i32 5, i32 2}
!0 = !{i32 0, i32 2}
!1 = !{i32 3, i32 5}
!2 = !{i32 2, i32 5}
!3 = !{i32 -3, i32 -2}
!4 = !{i32 1, i32 2}
!5 = !{i32 10, i32 1}
!6 = !{i32 12, i32 13}
!7 = !{i32 1, i32 2, i32 3, i32 4}
!8 = !{i32 5, i32 1}
!9 = !{i32 1, i32 5}
!10 = !{i32 5, i32 1}