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50 lines
1.4 KiB
LLVM
50 lines
1.4 KiB
LLVM
; Test the ASan's stack layout.
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; More tests in tests/Transforms/Utils/ASanStackFrameLayoutTest.cpp
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; RUN: opt < %s -asan -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @Use(i8*)
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; CHECK: private unnamed_addr constant{{.*}}3 32 10 3 XXX 64 20 3 YYY 128 30 3 ZZZ
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; CHECK: private unnamed_addr constant{{.*}}3 32 5 3 AAA 64 55 3 BBB 160 555 3 CCC
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; CHECK: private unnamed_addr constant{{.*}}3 256 128 3 CCC 448 128 3 BBB 608 128 3 AAA
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define void @Func1() sanitize_address {
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entry:
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; CHECK-LABEL: Func1
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; CHECK: alloca [192 x i8]
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; CHECK-NOT: alloca
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; CHECK: ret void
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%XXX = alloca [10 x i8], align 1
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%YYY = alloca [20 x i8], align 1
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%ZZZ = alloca [30 x i8], align 1
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ret void
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}
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define void @Func2() sanitize_address {
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entry:
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; CHECK-LABEL: Func2
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; CHECK: alloca [864 x i8]
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; CHECK-NOT: alloca
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; CHECK: ret void
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%AAA = alloca [5 x i8], align 1
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%BBB = alloca [55 x i8], align 1
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%CCC = alloca [555 x i8], align 1
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ret void
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}
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; Check that we reorder vars according to alignment and handle large alignments.
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define void @Func3() sanitize_address {
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entry:
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; CHECK-LABEL: Func3
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; CHECK: alloca [768 x i8]
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; CHECK-NOT: alloca
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; CHECK: ret void
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%AAA = alloca [128 x i8], align 16
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%BBB = alloca [128 x i8], align 64
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%CCC = alloca [128 x i8], align 256
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ret void
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}
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