derek.holloway
7502bf64a4
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30 lines
1.1 KiB
LLVM
30 lines
1.1 KiB
LLVM
; Test KHWASan instrumentation.
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; Generic code is covered by ../kernel.ll, only the x86_64 specific code is
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; tested here.
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;
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; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -S | FileCheck %s --allow-empty --check-prefixes=INIT
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; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -S | FileCheck %s
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; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-mapping-offset=12345678 -S | FileCheck %s
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; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-recover=0 -S | FileCheck %s --check-prefixes=CHECK,ABORT
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; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-recover=1 -S | FileCheck %s --check-prefixes=CHECK,RECOVER
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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 = "x86_64-unknown-linux-gnu"
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define i8 @test_load(ptr %a) sanitize_hwaddress {
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; CHECK-LABEL: @test_load(
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; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64
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; ABORT: call void @__hwasan_load1(i64 %[[A]])
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; RECOVER: call void @__hwasan_load1_noabort(i64 %[[A]])
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; CHECK: %[[G:[^ ]*]] = load i8, ptr %a, align 4
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; CHECK: ret i8 %[[G]]
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entry:
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%b = load i8, ptr %a, align 4
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ret i8 %b
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}
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; INIT-NOT: call void @__hwasan_init
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