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.
19 lines
670 B
LLVM
19 lines
670 B
LLVM
; Test case for a bug where we would crash when we were requested to report
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; whether two values that didn't belong to a function (i.e. two globals, etc)
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; aliased.
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; RUN: opt < %s -aa-pipeline=cfl-steens-aa -passes=aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
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@G = private unnamed_addr constant [1 x i8] c"\00", align 1
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; CHECK: Function: test_no_crash
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; CHECK: 0 no alias responses
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define void @test_no_crash() #0 {
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entry:
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call i8* asm "nop", "=r,r"(
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i8* getelementptr inbounds ([1 x i8], [1 x i8]* @G, i64 0, i64 0))
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load [1 x i8], [1 x i8]* @G
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load i8, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @G, i64 0, i64 0)
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ret void
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}
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