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1ef70ff39b
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224257 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
664 B
LLVM
27 lines
664 B
LLVM
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
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; The input *.ll is obtained by manually annotating "invariant.load" to the
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; two loads. With "invariant.load" metadata, the second load is redundant.
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;
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; int foo(int *p, char *q) {
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; *q = (char)*p;
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; return *p + 1;
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; }
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define i32 @foo(i32* nocapture %p, i8* nocapture %q) {
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entry:
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%0 = load i32* %p, align 4, !invariant.load !3
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%conv = trunc i32 %0 to i8
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store i8 %conv, i8* %q, align 1
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%1 = load i32* %p, align 4, !invariant.load !3
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%add = add nsw i32 %1, 1
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ret i32 %add
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; CHECK: foo
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; CHECK: %0 = load i32* %p
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; CHECK: store i8 %conv, i8* %q,
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; CHECK: %add = add nsw i32 %0, 1
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}
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!3 = !{}
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