derek.holloway
7502bf64a4
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49 lines
2.5 KiB
LLVM
49 lines
2.5 KiB
LLVM
; RUN: opt < %s -passes=dfsan -S | FileCheck %s --check-prefixes=CHECK,CHECK_NO_ORIGIN -DSHADOW_XOR_MASK=87960930222080 --dump-input-context=100
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; RUN: opt < %s -passes=dfsan -dfsan-track-origins=1 -S | FileCheck %s --check-prefixes=CHECK,CHECK_ORIGIN1 -DSHADOW_XOR_MASK=87960930222080 --dump-input-context=100
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; RUN: opt < %s -passes=dfsan -dfsan-track-origins=2 -S | FileCheck %s --check-prefixes=CHECK_ORIGIN2 -DSHADOW_XOR_MASK=87960930222080 --dump-input-context=100
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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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; CHECK: @__dfsan_arg_tls = external thread_local(initialexec) global [100 x i64]
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; CHECK: @__dfsan_retval_tls = external thread_local(initialexec) global [100 x i64]
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; CHECK: @__dfsan_arg_origin_tls = external thread_local(initialexec) global [200 x i32]
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; CHECK: @__dfsan_retval_origin_tls = external thread_local(initialexec) global i32
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; CHECK_NO_ORIGIN: @__dfsan_track_origins = weak_odr constant i32 0
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; CHECK_ORIGIN1: @__dfsan_track_origins = weak_odr constant i32 1
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; CHECK_ORIGIN2: @__dfsan_track_origins = weak_odr constant i32 2
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define i8 @load(ptr %p) {
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; CHECK-LABEL: define i8 @load.dfsan
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; CHECK: xor i64 {{.*}}, [[SHADOW_XOR_MASK]]
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; CHECK: ret i8 %a
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%a = load i8, ptr %p
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ret i8 %a
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}
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define void @store(ptr %p) {
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; CHECK-LABEL: define void @store.dfsan
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; CHECK: xor i64 {{.*}}, [[SHADOW_XOR_MASK]]
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; CHECK: ret void
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store i8 0, ptr %p
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ret void
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}
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; CHECK: declare void @__dfsan_load_callback(i8 zeroext, ptr)
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; CHECK: declare void @__dfsan_store_callback(i8 zeroext, ptr)
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; CHECK: declare void @__dfsan_mem_transfer_callback(ptr, i64)
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; CHECK: declare void @__dfsan_cmp_callback(i8 zeroext)
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; CHECK: ; Function Attrs: nounwind memory(read)
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; CHECK-NEXT: declare zeroext i8 @__dfsan_union_load(ptr, i64)
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; CHECK: ; Function Attrs: nounwind memory(read)
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; CHECK-NEXT: declare zeroext i64 @__dfsan_load_label_and_origin(ptr, i64)
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; CHECK: declare void @__dfsan_unimplemented(ptr)
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; CHECK: declare void @__dfsan_set_label(i8 zeroext, i32 zeroext, ptr, i64)
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; CHECK: declare void @__dfsan_nonzero_label()
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; CHECK: declare void @__dfsan_vararg_wrapper(ptr)
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; CHECK: declare zeroext i32 @__dfsan_chain_origin(i32 zeroext)
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; CHECK: declare zeroext i32 @__dfsan_chain_origin_if_tainted(i8 zeroext, i32 zeroext)
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; CHECK: declare void @__dfsan_mem_origin_transfer(ptr, ptr, i64)
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; CHECK: declare void @__dfsan_maybe_store_origin(i8 zeroext, ptr, i64, i32 zeroext)
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