[clang] [NFC][clang][test] Regenerate memcpy-inline-builtin-no-extern.c (PR #234083)
Vitaly Buka via cfe-commits
cfe-commits at lists.llvm.org
Tue Oct 20 23:17:07 PDT 2026
https://github.com/vitalybuka updated https://github.com/llvm/llvm-project/pull/234083
>From 41553adec6a7ad57ac9b6538938fb008d616b2e4 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka at google.com>
Date: Tue, 20 Oct 2026 22:42:59 -0700
Subject: [PATCH 1/2] Rebase onto test regeneration
Created using spr 2.0.0-beta.1
---
.../CodeGen/memcpy-inline-builtin-no-extern.c | 71 ++++++++++++++++++-
1 file changed, 68 insertions(+), 3 deletions(-)
diff --git a/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c b/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
index f6edbbf6aeb44..7ce4e16d79345 100644
--- a/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
+++ b/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
@@ -1,5 +1,5 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --check-attributes --include-generated-funcs --version 6
// RUN: %clang_cc1 -triple x86_64 -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
-//
// Verifies that clang-generated *.inline are flagged as internal.
typedef unsigned long size_t;
@@ -10,7 +10,6 @@ AVAILABLE_EXTERNALLY int memcmp(const void *a, const void *b, size_t c) {
return __builtin_memcmp(a, b, c);
}
-// CHECK: internal{{.*}}memcmp.inline
int bar(const void *a, const void *b, size_t c) {
return memcmp(a, b, c);
}
@@ -23,7 +22,73 @@ TRIPLE_INLINE void *memcpy(void *a, const void *b, size_t c) {
return __builtin_memcpy(a, b, c);
}
-// CHECK: internal{{.*}}memcpy.inline
void *foo(void *a, const void *b, size_t c) {
return memcpy(a, b, c);
}
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define dso_local i32 @bar(
+// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]], i64 noundef [[C:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[C_ADDR:%.*]] = alloca i64, align 8
+// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8
+// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8
+// CHECK-NEXT: store i64 [[C]], ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[B_ADDR]], align 8
+// CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[CALL:%.*]] = call i32 @memcmp.inline(ptr noundef [[TMP0]], ptr noundef [[TMP1]], i64 noundef [[TMP2]])
+// CHECK-NEXT: ret i32 [[CALL]]
+//
+//
+// CHECK: Function Attrs: alwaysinline nounwind
+// CHECK-LABEL: define internal i32 @memcmp.inline(
+// CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[C:%.*]]) #[[ATTR2:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[C_ADDR:%.*]] = alloca i64, align 8
+// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8
+// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8
+// CHECK-NEXT: store i64 [[C]], ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[B_ADDR]], align 8
+// CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[CALL:%.*]] = call i32 @memcmp(ptr noundef [[TMP0]], ptr noundef [[TMP1]], i64 noundef [[TMP2]]) #[[ATTR4:[0-9]+]]
+// CHECK-NEXT: ret i32 [[CALL]]
+//
+//
+// CHECK: Function Attrs: alwaysinline nounwind
+// CHECK-LABEL: define internal ptr @memcpy.inline(
+// CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], i64 [[C:%.*]]) #[[ATTR2]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[C_ADDR:%.*]] = alloca i64, align 8
+// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8
+// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8
+// CHECK-NEXT: store i64 [[C]], ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[B_ADDR]], align 8
+// CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[C_ADDR]], align 8
+// CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[TMP0]], ptr align 1 [[TMP1]], i64 [[TMP2]], i1 false)
+// CHECK-NEXT: ret ptr [[TMP0]]
+//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define dso_local ptr @foo(
+// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]], i64 noundef [[C:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8
+// CHECK-NEXT: [[C_ADDR:%.*]] = alloca i64, align 8
+// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8
+// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8
+// CHECK-NEXT: store i64 [[C]], ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[B_ADDR]], align 8
+// CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[C_ADDR]], align 8
+// CHECK-NEXT: [[CALL:%.*]] = call ptr @memcpy.inline(ptr noundef [[TMP0]], ptr noundef [[TMP1]], i64 noundef [[TMP2]]) #[[ATTR4]]
+// CHECK-NEXT: ret ptr [[CALL]]
+//
>From b94d59748f0f559f1c3567f25dacec6b6cc2cabd Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka at google.com>
Date: Tue, 20 Oct 2026 22:55:26 -0700
Subject: [PATCH 2/2] Split calling convention fix into separate PR
Created using spr 2.0.0-beta.1
---
.../CodeGen/memcpy-inline-builtin-no-extern.c | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c b/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
index 7ce4e16d79345..a373346f5fcee 100644
--- a/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
+++ b/clang/test/CodeGen/memcpy-inline-builtin-no-extern.c
@@ -25,6 +25,14 @@ TRIPLE_INLINE void *memcpy(void *a, const void *b, size_t c) {
void *foo(void *a, const void *b, size_t c) {
return memcpy(a, b, c);
}
+
+AVAILABLE_EXTERNALLY __attribute__((preserve_most)) int umask(int m) {
+ return m;
+}
+
+int call_umask(int m) {
+ return umask(m);
+}
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define dso_local i32 @bar(
// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]], i64 noundef [[C:%.*]]) #[[ATTR0:[0-9]+]] {
@@ -92,3 +100,24 @@ void *foo(void *a, const void *b, size_t c) {
// CHECK-NEXT: [[CALL:%.*]] = call ptr @memcpy.inline(ptr noundef [[TMP0]], ptr noundef [[TMP1]], i64 noundef [[TMP2]]) #[[ATTR4]]
// CHECK-NEXT: ret ptr [[CALL]]
//
+//
+// CHECK: Function Attrs: noinline nounwind optnone
+// CHECK-LABEL: define dso_local i32 @call_umask(
+// CHECK-SAME: i32 noundef [[M:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[M_ADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store i32 [[M]], ptr [[M_ADDR]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[M_ADDR]], align 4
+// CHECK-NEXT: [[CALL:%.*]] = call preserve_mostcc i32 @umask.inline(i32 noundef [[TMP0]]) #[[ATTR4]]
+// CHECK-NEXT: ret i32 [[CALL]]
+//
+//
+// CHECK: Function Attrs: alwaysinline nounwind
+// CHECK-LABEL: define internal i32 @umask.inline(
+// CHECK-SAME: i32 [[M:%.*]]) #[[ATTR2]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[M_ADDR:%.*]] = alloca i32, align 4
+// CHECK-NEXT: store i32 [[M]], ptr [[M_ADDR]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[M_ADDR]], align 4
+// CHECK-NEXT: ret i32 [[TMP0]]
+//
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