f897d087d0
Ensure the stride and trip count have the same type before multiplying them during reference cost calculation Reviewed By: jdoefert Differential Revision: https://reviews.llvm.org/D70192
36 lines
1.1 KiB
LLVM
36 lines
1.1 KiB
LLVM
; RUN: opt < %s -passes='print<loop-cache-cost>' -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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; Check IndexedReference::computeRefCost can handle type differences between
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; Stride and TripCount
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; CHECK: Loop 'for.cond' has cost = 64
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%struct._Handleitem = type { %struct._Handleitem* }
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define void @handle_to_ptr(%struct._Handleitem** %blocks) {
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; Preheader:
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entry:
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br label %for.cond
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; Loop:
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for.cond: ; preds = %for.body, %entry
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%i.0 = phi i32 [ 1, %entry ], [ %inc, %for.body ]
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%cmp = icmp ult i32 %i.0, 1024
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%idxprom = zext i32 %i.0 to i64
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%arrayidx = getelementptr inbounds %struct._Handleitem*, %struct._Handleitem** %blocks, i64 %idxprom
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store %struct._Handleitem* null, %struct._Handleitem** %arrayidx, align 8
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%inc = add nuw nsw i32 %i.0, 1
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br label %for.cond
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; Exit blocks
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for.end: ; preds = %for.cond
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ret void
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}
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