derek.holloway
7502bf64a4
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44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
; Test that the msan layout customization options work as expected
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;
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; RUN: opt < %s -msan-shadow-base 3735928559 -S -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-BASE %s
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; RUN: opt < %s -msan-shadow-base 3735928559 -msan-and-mask 4294901760 -S -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-AND %s
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; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 -S -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-XOR %s
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; RUN: opt < %s -msan-shadow-base 3735928559 -msan-xor-mask 48879 -msan-and-mask 4294901760 -S -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-XOR-AND %s
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; RUN: opt < %s -msan-track-origins 1 -msan-origin-base 1777777 -S -passes=msan 2>&1 | FileCheck --check-prefix=CHECK-ORIGIN-BASE %s
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @read_value(ptr %a) sanitize_memory {
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entry:
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%tmp1 = load i32, ptr %a, align 4
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ret i32 %tmp1
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}
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; CHECK-BASE-LABEL: @read_value
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; CHECK-BASE-NOT: ret i32
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; CHECK-BASE: add{{.*}}3735928559
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; CHECK-BASE: ret i32
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; CHECK-AND-LABEL: @read_value
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; CHECK-AND-NOT: ret i32
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; CHECK-AND: and{{.*}}-4294901761
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; CHECK-AND-NEXT: add{{.*}}3735928559
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; CHECK-AND: ret i32
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; CHECK-XOR-LABEL: @read_value
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; CHECK-XOR-NOT: ret i32
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; CHECK-XOR: xor{{.*}}48879
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; CHECK-XOR-NEXT: add{{.*}}3735928559
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; CHECK-XOR: ret i32
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; CHECK-XOR-AND-LABEL: @read_value
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; CHECK-XOR-AND-NOT: ret i32
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; CHECK-XOR-AND: and{{.*}}-4294901761
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; CHECK-XOR-AND-NEXT: xor{{.*}}48879
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; CHECK-XOR-AND-NEXT: add{{.*}}3735928559
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; CHECK-XOR-AND: ret i32
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; CHECK-ORIGIN-BASE-LABEL: @read_value
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; CHECK-ORIGIN-BASE-NOT: ret i32
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; CHECK-ORIGIN-BASE: add{{.*}}1777777
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; CHECK-ORIGIN-BASE: ret i32
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