1; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s 2; RUN: opt -S -passes=hwasan -hwasan-kernel -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-NOPREFIX %s 3; RUN: opt -S -passes=hwasan -hwasan-kernel -hwasan-kernel-mem-intrinsic-prefix -hwasan-use-stack-safety=0 %s | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s 4; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 -hwasan-match-all-tag=0 %s | FileCheck --check-prefixes=CHECK,CHECK-MATCH-ALL-TAG %s 5 6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-unknown-linux-gnu" 8 9; Function Attrs: noinline nounwind optnone uwtable 10define dso_local i32 @main() sanitize_hwaddress { 11; CHECK-LABEL: main 12entry: 13 %retval = alloca i32, align 4 14 %Q = alloca [10 x i8], align 1 15 %P = alloca [10 x i8], align 1 16 store i32 0, ptr %retval, align 4 17 18 call void @llvm.memset.p0.i64(ptr align 1 %Q, i8 0, i64 10, i1 false) 19; CHECK-PREFIX: call ptr @__hwasan_memset( 20; CHECK-NOPREFIX: call ptr @memset( 21; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memset_match_all(ptr %Q.hwasan, i32 0, i64 10, i8 0) 22 23 %add.ptr = getelementptr inbounds i8, ptr %Q, i64 5 24 25 call void @llvm.memmove.p0.p0.i64(ptr align 1 %Q, ptr align 1 %add.ptr, i64 5, i1 false) 26; CHECK-PREFIX: call ptr @__hwasan_memmove( 27; CHECK-NOPREFIX: call ptr @memmove( 28; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memmove_match_all(ptr %Q.hwasan, ptr %add.ptr, i64 5, i8 0) 29 30 31 call void @llvm.memcpy.p0.p0.i64(ptr align 1 %P, ptr align 1 %Q, i64 10, i1 false) 32; CHECK-PREFIX: call ptr @__hwasan_memcpy( 33; CHECK-NOPREFIX: call ptr @memcpy( 34; CHECK-MATCH-ALL-TAG: call ptr @__hwasan_memcpy_match_all(ptr %P.hwasan, ptr %Q.hwasan, i64 10, i8 0) 35 ret i32 0 36} 37 38; Function Attrs: argmemonly nounwind 39declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #1 40 41; Function Attrs: argmemonly nounwind 42declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #1 43 44; Function Attrs: argmemonly nounwind 45declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 46 47define void @memintr_test_nosanitize(ptr %a, ptr %b) nounwind uwtable { 48 entry: 49 tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false) 50 tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false) 51 tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false) 52 ret void 53} 54; CHECK-LABEL: memintr_test_nosanitize 55; CHECK: @llvm.memset 56; CHECK: @llvm.memmove 57; CHECK: @llvm.memcpy 58; CHECK: ret void 59