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5f91d66ebc
Summary: The rule for the moveAllAfterMergeBlocks API si for all instructions from `From` to have been moved to `To`, while keeping the CFG edges (and block terminators) unchanged. Update all the callsites for moveAllAfterMergeBlocks to follow this. Pending follow-up: since the same behavior is needed everytime, merge all callsites into one. The common denominator may be the call to `MergeBlockIntoPredecessor`. Resolves PR43569. Reviewers: george.burgess.iv Subscribers: Prazek, sanjoy.google, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D68659 llvm-svn: 374177
50 lines
2.3 KiB
LLVM
50 lines
2.3 KiB
LLVM
; RUN: opt -pgo-kind=pgo-instr-gen-pipeline -aa-pipeline=default -passes="default<O3>" -enable-nontrivial-unswitch -S < %s | FileCheck %s
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; REQUIRES: asserts
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@__profn_c = private constant [1 x i8] c"c"
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@b = common dso_local global i32 0, align 4
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@a = common dso_local global i16 0, align 2
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; CHECK-LABEL: @c()
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; Function Attrs: nounwind uwtable
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define dso_local void @c() #0 {
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entry:
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call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 0)
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br label %for.cond
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for.cond: ; preds = %for.end, %entry
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call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 1)
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store i32 0, i32* @b, align 4
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br label %for.cond1
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for.cond1: ; preds = %for.inc, %for.cond
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%0 = load i32, i32* @b, align 4
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%1 = load i16, i16* @a, align 2
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%conv = sext i16 %1 to i32
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%cmp = icmp slt i32 %0, %conv
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond1
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call void @llvm.instrprof.increment(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__profn_c, i32 0, i32 0), i64 68269137, i32 3, i32 2)
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br label %for.inc
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for.inc: ; preds = %for.body
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%2 = load i32, i32* @b, align 4
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%inc = add nsw i32 %2, 1
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store i32 %inc, i32* @b, align 4
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br label %for.cond1
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for.end: ; preds = %for.cond1
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br label %for.cond
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}
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; Function Attrs: nounwind
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declare void @llvm.instrprof.increment(i8*, i64, i32, i32) #1
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attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind }
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