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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
74 lines
1.3 KiB
LLVM
74 lines
1.3 KiB
LLVM
; Test CFG simplify removal of branch instructions.
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;
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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define void @test1() {
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br label %1
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ret void
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret void
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}
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define void @test2() {
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ret void
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ret void
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret void
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; CHECK-NEXT: }
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}
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define void @test3(i1 %T) {
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br i1 %T, label %1, label %1
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ret void
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: ret void
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}
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; PR5795
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define void @test5(i32 %A) {
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switch i32 %A, label %return [
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i32 2, label %1
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i32 10, label %2
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]
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ret void
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ret void
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return: ; preds = %entry
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ret void
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: ret void
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}
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; PR14893
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define i8 @test6f() {
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; CHECK-LABEL: @test6f
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; CHECK: alloca i8, align 1
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; CHECK-NEXT: call i8 @test6g
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; CHECK-NEXT: icmp eq i8 %tmp, 0
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; CHECK-NEXT: load i8* %r, align 1{{$}}
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bb0:
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%r = alloca i8, align 1
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%tmp = call i8 @test6g(i8* %r)
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%tmp1 = icmp eq i8 %tmp, 0
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br i1 %tmp1, label %bb2, label %bb1
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bb1:
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%tmp3 = load i8* %r, align 1, !range !2, !tbaa !1
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%tmp4 = icmp eq i8 %tmp3, 1
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br i1 %tmp4, label %bb2, label %bb3
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bb2:
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br label %bb3
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bb3:
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%tmp6 = phi i8 [ 0, %bb2 ], [ 1, %bb1 ]
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ret i8 %tmp6
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}
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declare i8 @test6g(i8*)
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!0 = !{!1, !1, i64 0}
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!1 = !{!"foo"}
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!2 = !{i8 0, i8 2}
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