57d57b1afd
With opaque pointers, we cannot use the pointer element type to determine the LocationSize for the AA query. Instead, -aa-eval tests are now required to have an explicit load or store for any pointer they want to compute alias results for, and the load/store types are used to determine the location size. This may affect ordering of results, and sorting within one result, as the type is not considered part of the sorted string anymore. To somewhat minimize the churn, printing still uses faux typed pointer notation.
38 lines
1.4 KiB
LLVM
38 lines
1.4 KiB
LLVM
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-darwin13.4.0"
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; CHECK-LABEL: compute1
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; CHECK: MayAlias: i32* %arrayidx8, i32* %out
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; CHECK: NoAlias: i32* %arrayidx11, i32* %out
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; CHECK: MayAlias: i32* %arrayidx11, i32* %arrayidx8
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; CHECK: NoAlias: i32* %arrayidx14, i32* %out
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; CHECK: MayAlias: i32* %arrayidx14, i32* %arrayidx8
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; CHECK: MayAlias: i32* %arrayidx11, i32* %arrayidx14
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define void @compute1(i32 %num.0.lcssa, i32* %out) {
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%idxprom = zext i32 %num.0.lcssa to i64
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%arrayidx8 = getelementptr inbounds i32, i32* %out, i64 %idxprom
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%add9 = or i32 %num.0.lcssa, 1
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%idxprom10 = zext i32 %add9 to i64
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%arrayidx11 = getelementptr inbounds i32, i32* %out, i64 %idxprom10
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%add12 = or i32 %num.0.lcssa, 2
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%idxprom13 = zext i32 %add12 to i64
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%arrayidx14 = getelementptr inbounds i32, i32* %out, i64 %idxprom13
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load i32, i32* %out
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load i32, i32* %arrayidx8
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load i32, i32* %arrayidx11
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load i32, i32* %arrayidx14
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ret void
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}
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; CHECK-LABEL: compute2
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; CHECK: MayAlias: i32* %arrayidx11, i32* %out.addr
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define void @compute2(i32 %num, i32* %out.addr) {
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%add9 = add i32 %num, 1
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%idxprom10 = zext i32 %add9 to i64
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%arrayidx11 = getelementptr inbounds i32, i32* %out.addr, i64 %idxprom10
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load i32, i32* %out.addr
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load i32, i32* %arrayidx11
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ret void
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}
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