2020-09-18 04:51:01 +08:00
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; RUN: opt < %s -analyze -block-freq -enable-new-pm=0 | FileCheck %s
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2016-05-06 05:13:27 +08:00
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; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
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2014-04-25 12:38:43 +08:00
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define void @double_backedge(i1 %x) {
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; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
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; CHECK-NEXT: block-frequency-info: double_backedge
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entry:
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; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
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br label %loop
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loop:
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; CHECK-NEXT: loop: float = 10.0,
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br i1 %x, label %exit, label %loop.1, !prof !0
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loop.1:
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; CHECK-NEXT: loop.1: float = 9.0,
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br i1 %x, label %loop, label %loop.2, !prof !1
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loop.2:
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; CHECK-NEXT: loop.2: float = 5.0,
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br label %loop
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exit:
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; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
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ret void
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}
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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
2014-12-16 03:07:53 +08:00
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!0 = !{!"branch_weights", i32 1, i32 9}
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!1 = !{!"branch_weights", i32 4, i32 5}
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