24 lines
809 B
LLVM
24 lines
809 B
LLVM
; Make sure memaccess checks preceed the following reads.
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;
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; RUN: opt < %s -disable-output 2>&1 -passes='hwasan,print<memoryssa>' -hwasan-use-stack-safety=0 -mtriple aarch64-linux-android30 | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-android10000"
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declare void @use32(ptr)
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define i32 @test_alloca() sanitize_hwaddress {
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entry:
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%x = alloca i32, align 4
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; CHECK: call void @use32
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call void @use32(ptr nonnull %x)
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; CHECK: [[A:[0-9]+]] = MemoryDef({{[0-9]+}})
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; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules
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; CHECK: MemoryUse([[A]])
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; CHECK-NEXT: load i32, ptr %x.hwasan
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%y = load i32, ptr %x
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; CHECK: {{[0-9]+}} = MemoryDef([[A]])
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; CHECK-NEXT: call void @llvm.memset.p0.i64
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ret i32 %y
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}
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