1 files changed, 98 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/AllocToken/basic.ll b/llvm/test/Instrumentation/AllocToken/basic.ll
new file mode 100644
index 0000000..099d37d
--- /dev/null
+++ b/llvm/test/Instrumentation/AllocToken/basic.ll
@@ -0,0 +1,98 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=inferattrs,alloc-token -alloc-token-mode=increment -S | FileCheck %s
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+
+declare ptr @malloc(i64)
+declare ptr @calloc(i64, i64)
+declare ptr @realloc(ptr, i64)
+declare ptr @_Znwm(i64)
+declare ptr @_Znam(i64)
+declare void @free(ptr)
+declare void @_ZdlPv(ptr)
+declare i32 @foobar(i64)
+
+; Test basic allocation call rewriting
+define ptr @test_basic_rewriting() sanitize_alloc_token {
+; CHECK-LABEL: define ptr @test_basic_rewriting(
+; CHECK-SAME: ) #[[ATTR5:[0-9]+]] {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[TMP0:%.*]] = call ptr @__alloc_token_malloc(i64 64, i64 0)
+; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @__alloc_token_calloc(i64 8, i64 8, i64 1)
+; CHECK-NEXT:    [[TMP2:%.*]] = call ptr @__alloc_token_realloc(ptr [[TMP0]], i64 128, i64 2)
+; CHECK-NEXT:    ret ptr [[TMP2]]
+;
+entry:
+  %ptr1 = call ptr @malloc(i64 64)
+  %ptr2 = call ptr @calloc(i64 8, i64 8)
+  %ptr3 = call ptr @realloc(ptr %ptr1, i64 128)
+  ret ptr %ptr3
+}
+
+; Test C++ operator rewriting
+define ptr @test_cpp_operators() sanitize_alloc_token {
+; CHECK-LABEL: define ptr @test_cpp_operators(
+; CHECK-SAME: ) #[[ATTR5]] {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[TMP0:%.*]] = call ptr @__alloc_token__Znwm(i64 32, i64 3)
+; CHECK-NEXT:    [[TMP1:%.*]] = call ptr @__alloc_token__Znam(i64 64, i64 4)
+; CHECK-NEXT:    ret ptr [[TMP0]]
+;
+entry:
+  %ptr1 = call ptr @_Znwm(i64 32)
+  %ptr2 = call ptr @_Znam(i64 64)
+  ret ptr %ptr1
+}
+
+; Functions without sanitize_alloc_token do not get instrumented
+define ptr @without_attribute() {
+; CHECK-LABEL: define ptr @without_attribute() {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[PTR:%.*]] = call ptr @malloc(i64 16)
+; CHECK-NEXT:    ret ptr [[PTR]]
+;
+entry:
+  %ptr = call ptr @malloc(i64 16)
+  ret ptr %ptr
+}
+
+; Test that free/delete are untouched
+define void @test_free_untouched(ptr %ptr) sanitize_alloc_token {
+; CHECK-LABEL: define void @test_free_untouched(
+; CHECK-SAME: ptr [[PTR:%.*]]) #[[ATTR5]] {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    call void @free(ptr [[PTR]])
+; CHECK-NEXT:    call void @_ZdlPv(ptr [[PTR]])
+; CHECK-NEXT:    ret void
+;
+entry:
+  call void @free(ptr %ptr)
+  call void @_ZdlPv(ptr %ptr)
+  ret void
+}
+
+; Non-allocation functions are untouched
+define i32 @no_allocations(i32 %x) sanitize_alloc_token {
+; CHECK-LABEL: define i32 @no_allocations(
+; CHECK-SAME: i32 [[X:%.*]]) #[[ATTR5]] {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[RESULT:%.*]] = call i32 @foobar(i64 42)
+; CHECK-NEXT:    ret i32 [[RESULT]]
+;
+entry:
+  %result = call i32 @foobar(i64 42)
+  ret i32 %result
+}
+
+; Test that tail calls are preserved
+define ptr @test_tail_call_preserved() sanitize_alloc_token {
+; CHECK-LABEL: define ptr @test_tail_call_preserved(
+; CHECK-SAME: ) #[[ATTR5]] {
+; CHECK-NEXT:  [[ENTRY:.*:]]
+; CHECK-NEXT:    [[TMP0:%.*]] = tail call ptr @__alloc_token_malloc(i64 42, i64 5)
+; CHECK-NEXT:    ret ptr [[TMP0]]
+;
+entry:
+  %result = tail call ptr @malloc(i64 42)
+  ret ptr %result
+}