forked from OSchip/llvm-project
31 lines
1.0 KiB
LLVM
31 lines
1.0 KiB
LLVM
; Test -hwasan-with-ifunc flag.
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;
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; RUN: opt -hwasan -S < %s | \
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; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
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; RUN: opt -hwasan -S -hwasan-with-ifunc=0 < %s | \
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; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-NOIFUNC
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; RUN: opt -hwasan -S -hwasan-with-ifunc=1 < %s | \
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; RUN: FileCheck %s --check-prefixes=CHECK,CHECK-IFUNC
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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-android22"
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; CHECK-IFUNC: @__hwasan_shadow = external global [0 x i8]
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; CHECK-NOIFUNC: @__hwasan_shadow_memory_dynamic_address = external global i64
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define i32 @test_load(i32* %a) sanitize_hwaddress {
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; First instrumentation in the function must be to load the dynamic shadow
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; address into a local variable.
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; CHECK-LABEL: @test_load
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; CHECK: entry:
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; CHECK-IFUNC: %[[A:[^ ]*]] = call i64 asm "", "=r,0"([0 x i8]* @__hwasan_shadow)
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; CHECK-IFUNC: add i64 %{{.*}}, %[[A]]
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; CHECK-NOIFUNC: load i64, i64* @__hwasan_shadow_memory_dynamic_address
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entry:
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%x = load i32, i32* %a, align 4
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ret i32 %x
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}
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