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- ; RUN: opt < %s -tsan -S | FileCheck %s
- 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"
- target triple = "x86_64-unknown-linux-gnu"
- define i32 @read_4_bytes(i32* %a) sanitize_thread {
- entry:
- %tmp1 = load i32, i32* %a, align 4
- ret i32 %tmp1
- }
- ; CHECK: @llvm.global_ctors = {{.*}}@tsan.module_ctor
- ; CHECK: define i32 @read_4_bytes(i32* %a)
- ; CHECK: call void @__tsan_func_entry(i8* %0)
- ; CHECK-NEXT: %1 = bitcast i32* %a to i8*
- ; CHECK-NEXT: call void @__tsan_read4(i8* %1)
- ; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 4
- ; CHECK-NEXT: call void @__tsan_func_exit()
- ; CHECK: ret i32
- declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
- declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1)
- declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
- ; Check that tsan converts mem intrinsics back to function calls.
- define void @MemCpyTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
- entry:
- tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
- ret void
- ; CHECK: define void @MemCpyTest
- ; CHECK: call i8* @memcpy
- ; CHECK: ret void
- }
- define void @MemMoveTest(i8* nocapture %x, i8* nocapture %y) sanitize_thread {
- entry:
- tail call void @llvm.memmove.p0i8.p0i8.i64(i8* %x, i8* %y, i64 16, i32 4, i1 false)
- ret void
- ; CHECK: define void @MemMoveTest
- ; CHECK: call i8* @memmove
- ; CHECK: ret void
- }
- define void @MemSetTest(i8* nocapture %x) sanitize_thread {
- entry:
- tail call void @llvm.memset.p0i8.i64(i8* %x, i8 77, i64 16, i32 4, i1 false)
- ret void
- ; CHECK: define void @MemSetTest
- ; CHECK: call i8* @memset
- ; CHECK: ret void
- }
- ; CHECK: define internal void @tsan.module_ctor()
- ; CHECK: call void @__tsan_init()
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