1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals all --version 5 2; This test checks in the second run, function is not instrumented again. 3; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan,msan | FileCheck %s 4 5target 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" 6target triple = "x86_64-unknown-linux-gnu" 7 8;. 9; CHECK: @llvm.used = appending global [1 x ptr] [ptr @msan.module_ctor], section "llvm.metadata" 10; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @msan.module_ctor, ptr null }] 11; CHECK: @__msan_retval_tls = external thread_local(initialexec) global [100 x i64] 12; CHECK: @__msan_retval_origin_tls = external thread_local(initialexec) global i32 13; CHECK: @__msan_param_tls = external thread_local(initialexec) global [100 x i64] 14; CHECK: @__msan_param_origin_tls = external thread_local(initialexec) global [200 x i32] 15; CHECK: @__msan_va_arg_tls = external thread_local(initialexec) global [100 x i64] 16; CHECK: @__msan_va_arg_origin_tls = external thread_local(initialexec) global [200 x i32] 17; CHECK: @__msan_va_arg_overflow_size_tls = external thread_local(initialexec) global i64 18;. 19define void @array() sanitize_memory { 20; CHECK: Function Attrs: sanitize_memory 21; CHECK-LABEL: define void @array( 22; CHECK-SAME: ) #[[ATTR0:[0-9]+]] { 23; CHECK-NEXT: [[ENTRY:.*:]] 24; CHECK-NEXT: call void @llvm.donothing() 25; CHECK-NEXT: [[X:%.*]] = alloca i32, i64 5, align 4 26; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[X]] to i64 27; CHECK-NEXT: [[TMP1:%.*]] = xor i64 [[TMP0]], 87960930222080 28; CHECK-NEXT: [[TMP2:%.*]] = inttoptr i64 [[TMP1]] to ptr 29; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[TMP2]], i8 -1, i64 20, i1 false) 30; CHECK-NEXT: ret void 31; 32entry: 33 %x = alloca i32, i64 5, align 4 34 ret void 35} 36;. 37; CHECK: attributes #[[ATTR0]] = { sanitize_memory } 38; CHECK: attributes #[[ATTR1:[0-9]+]] = { nounwind } 39; CHECK: attributes #[[ATTR2:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) } 40; CHECK: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) } 41;. 42; CHECK: [[META0:![0-9]+]] = !{i32 4, !"nosanitize_memory", i32 1} 43;. 44