mirror of
https://github.com/c64scene-ar/llvm-6502.git
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ea468dddfe
The annotation instructions are dropped during codegen and have no impact on size. In some cases, the annotations were preventing the unroller from unrolling a loop because the annotation calls were pushing the cost over the unrolling threshold. Differential Revision: http://reviews.llvm.org/D5335 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218525 91177308-0d34-0410-b5e6-96231b3b80d8
134 lines
9.7 KiB
LLVM
134 lines
9.7 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt < %s -disable-output -stats -loop-unroll -info-output-file - | FileCheck %s --check-prefix=STATS
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; STATS: 1 loop-unroll - Number of loops unrolled (completely or otherwise)
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; Test that llvm.annotation intrinsic do not count against the loop body size
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; and prevent unrolling.
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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@B = common global i32 0, align 4
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define void @foo(i32* noalias %A, i32 %B, i32 %C) {
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entry:
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br label %for.body
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; A loop that has a small loop body (except for the annotations) that should be
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; unrolled with the default heuristic. Make sure the extra annotations do not
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; prevent unrolling
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for.body: ; preds = %entry, %for.body
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%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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; The real loop.
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%mul = mul nsw i32 %B, %C
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%arrayidx = getelementptr inbounds i32* %A, i32 %i.01
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store i32 %mul, i32* %arrayidx, align 4
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%inc = add nsw i32 %i.01, 1
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%exitcond = icmp ne i32 %inc, 4
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; A bunch of annotations
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%annot.0 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.1 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.2 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.3 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.4 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.5 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.6 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.7 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.8 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.9 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.10 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.11 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.12 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.13 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.14 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.15 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.16 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.17 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.18 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.19 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.20 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.21 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.22 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.23 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.24 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.25 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.26 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.27 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.28 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.29 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.30 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.31 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.32 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.33 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.34 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.35 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.36 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.37 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.38 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.39 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.40 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.41 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.42 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.43 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.44 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.45 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.46 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.47 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.48 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.49 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.50 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.51 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.52 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.53 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.54 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.55 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.56 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.57 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.58 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.59 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.60 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.61 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.62 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.63 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.64 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.65 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.66 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.67 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.68 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.69 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.70 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.71 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.72 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.73 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.74 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.75 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.76 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.77 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.78 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.79 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.80 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.81 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.82 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.83 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.84 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.85 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.86 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.87 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.88 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.89 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.90 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.91 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.92 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.93 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.94 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.95 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.96 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.97 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.98 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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%annot.99 = tail call i32 @llvm.annotation.i32(i32 %i.01, i8* null, i8* null, i32 0)
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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ret void
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}
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declare i32 @llvm.annotation.i32(i32, i8*, i8*, i32)
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