[Instrumentation] Precommit tests for PR108552 (NFC)

Author: antoniofrighetto

llvm/test/Instrumentation/sanitizers-naked.ll

@@ -0,0 +1,115 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=asan -S | FileCheck %s --check-prefixes=CHECK,CHECK-ASAN
+; RUN: opt < %s -passes=tsan -S | FileCheck %s --check-prefixes=CHECK,CHECK-TSAN
+; RUN: opt < %s -passes=msan -S | FileCheck %s --check-prefixes=CHECK,CHECK-MSAN
+; RUN: opt < %s -passes=hwasan -S | FileCheck %s --check-prefixes=CHECK,CHECK-HWASAN
+; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=3 -sanitizer-coverage-control-flow -S | FileCheck %s --check-prefixes=CHECK,CHECK-SANCOV
+; RUN: opt < %s -passes='module(sanmd-module)' -sanitizer-metadata-atomics -S | FileCheck %s --check-prefixes=CHECK,CHECK-SANMD
+
+; REQUIRES: x86-registered-target
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @naked_function(ptr byval(i32) %p) {
+; CHECK-ASAN-LABEL: define void @naked_function(
+; CHECK-ASAN-SAME: ptr byval(i32) [[P:%.*]]) {
+; CHECK-ASAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-ASAN-NEXT:    unreachable
+;
+; CHECK-TSAN-LABEL: define void @naked_function(
+; CHECK-TSAN-SAME: ptr byval(i32) [[P:%.*]]) personality ptr @__gcc_personality_v0 {
+; CHECK-TSAN-NEXT:    [[TMP1:%.*]] = call ptr @llvm.returnaddress(i32 0)
+; CHECK-TSAN-NEXT:    call void @__tsan_func_entry(ptr [[TMP1]])
+; CHECK-TSAN-NEXT:    invoke void asm sideeffect "nop", ""()
+; CHECK-TSAN-NEXT:            to [[DOTNOEXC:label %.*]] unwind label %[[TSAN_CLEANUP:.*]]
+; CHECK-TSAN:       [[_NOEXC:.*:]]
+; CHECK-TSAN-NEXT:    unreachable
+; CHECK-TSAN:       [[TSAN_CLEANUP]]:
+; CHECK-TSAN-NEXT:    [[CLEANUP_LPAD:%.*]] = landingpad { ptr, i32 }
+; CHECK-TSAN-NEXT:            cleanup
+; CHECK-TSAN-NEXT:    call void @__tsan_func_exit()
+; CHECK-TSAN-NEXT:    resume { ptr, i32 } [[CLEANUP_LPAD]]
+;
+; CHECK-MSAN-LABEL: define void @naked_function(
+; CHECK-MSAN-SAME: ptr byval(i32) [[P:%.*]]) {
+; CHECK-MSAN-NEXT:    call void @llvm.donothing()
+; CHECK-MSAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-MSAN-NEXT:    unreachable
+;
+; CHECK-HWASAN-LABEL: define void @naked_function(
+; CHECK-HWASAN-SAME: ptr byval(i32) [[P:%.*]]) {
+; CHECK-HWASAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-HWASAN-NEXT:    unreachable
+;
+; CHECK-SANCOV-LABEL: define void @naked_function(
+; CHECK-SANCOV-SAME: ptr byval(i32) [[P:%.*]]) {
+; CHECK-SANCOV-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-SANCOV-NEXT:    unreachable
+;
+; CHECK-SANMD-LABEL: define void @naked_function(
+; CHECK-SANMD-SAME: ptr byval(i32) [[P:%.*]]) !pcsections [[META0:![0-9]+]] {
+; CHECK-SANMD-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-SANMD-NEXT:    unreachable
+;
+  call void asm sideeffect "nop", ""()
+  unreachable
+}
+
+define void @naked_function_with_asan(ptr byval(i32) %p) sanitize_address {
+; CHECK-ASAN-LABEL: define void @naked_function_with_asan(
+; CHECK-ASAN-SAME: ptr byval(i32) [[P:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-ASAN-NEXT:    [[P_BYVAL:%.*]] = alloca i32, align 4
+; CHECK-ASAN-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 4 [[P_BYVAL]], ptr align 4 [[P]], i64 4, i1 false)
+; CHECK-ASAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-ASAN-NEXT:    unreachable
+;
+  call void asm sideeffect "nop", ""()
+  unreachable
+}
+
+define void @naked_function_with_tsan(ptr byval(i32) %p) sanitize_thread {
+; CHECK-TSAN-LABEL: define void @naked_function_with_tsan(
+; CHECK-TSAN-SAME: ptr byval(i32) [[P:%.*]]) #[[ATTR1:[0-9]+]] personality ptr @__gcc_personality_v0 {
+; CHECK-TSAN-NEXT:    [[TMP1:%.*]] = call ptr @llvm.returnaddress(i32 0)
+; CHECK-TSAN-NEXT:    call void @__tsan_func_entry(ptr [[TMP1]])
+; CHECK-TSAN-NEXT:    invoke void asm sideeffect "nop", ""()
+; CHECK-TSAN-NEXT:            to [[DOTNOEXC:label %.*]] unwind label %[[TSAN_CLEANUP:.*]]
+; CHECK-TSAN:       [[_NOEXC:.*:]]
+; CHECK-TSAN-NEXT:    unreachable
+; CHECK-TSAN:       [[TSAN_CLEANUP]]:
+; CHECK-TSAN-NEXT:    [[CLEANUP_LPAD:%.*]] = landingpad { ptr, i32 }
+; CHECK-TSAN-NEXT:            cleanup
+; CHECK-TSAN-NEXT:    call void @__tsan_func_exit()
+; CHECK-TSAN-NEXT:    resume { ptr, i32 } [[CLEANUP_LPAD]]
+;
+  call void asm sideeffect "nop", ""()
+  unreachable
+}
+
+define void @naked_function_with_msan(ptr byval(i32) %p) sanitize_memory {
+; CHECK-MSAN-LABEL: define void @naked_function_with_msan(
+; CHECK-MSAN-SAME: ptr byval(i32) [[P:%.*]]) #[[ATTR2:[0-9]+]] {
+; CHECK-MSAN-NEXT:    call void @llvm.donothing()
+; CHECK-MSAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-MSAN-NEXT:    unreachable
+;
+  call void asm sideeffect "nop", ""()
+  unreachable
+}
+
+define void @naked_function_with_hwasan(ptr byval(i32) %p) sanitize_hwaddress {
+; CHECK-HWASAN-LABEL: define void @naked_function_with_hwasan(
+; CHECK-HWASAN-SAME: ptr byval(i32) [[P:%.*]]) #[[ATTR3:[0-9]+]] {
+; CHECK-HWASAN-NEXT:    call void asm sideeffect "nop", ""()
+; CHECK-HWASAN-NEXT:    unreachable
+;
+  call void asm sideeffect "nop", ""()
+  unreachable
+}
+;.
+; CHECK-SANMD: [[META0]] = !{!"sanmd_covered2!C", [[META1:![0-9]+]]}
+; CHECK-SANMD: [[META1]] = !{i64 1}
+;.
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; CHECK: {{.*}}