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https://github.com/c64scene-ar/llvm-6502.git
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39087bfbf0
Remove the concepts of "forward" and "general" mass distributions, which was wrong. The split might have made sense in an early version of the algorithm, but it's definitely wrong now. <rdar://problem/14292693> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207195 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
725 B
LLVM
28 lines
725 B
LLVM
; RUN: opt < %s -analyze -block-freq | FileCheck %s
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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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!0 = metadata !{metadata !"branch_weights", i32 1, i32 9}
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!1 = metadata !{metadata !"branch_weights", i32 4, i32 5}
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