https://github.com/vfdff created https://github.com/llvm/llvm-project/pull/98990
None
>From 3d22c4c31d360a45de83593e25a9352c16845414 Mon Sep 17 00:00:00 2001
From: Zhongyunde <zhongyu...@huawei.com>
Date: Tue, 16 Jul 2024 13:02:38 +0800
Subject: [PATCH] [test] Check whether timeout exists in the Windows operating
system
---
clang/test/CodeGen/math-libcalls-tbaa.cpp | 33 +++++++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644 clang/test/CodeGen/math-libcalls-tbaa.cpp
diff --git a/clang/test/CodeGen/math-libcalls-tbaa.cpp
b/clang/test/CodeGen/math-libcalls-tbaa.cpp
new file mode 100644
index 0000000000000..2f4f50da89e11
--- /dev/null
+++ b/clang/test/CodeGen/math-libcalls-tbaa.cpp
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -fmath-errno -O3 -emit-llvm -o - -x c++ %s | FileCheck %s
-check-prefixes=CHECK,NoNewStructPathTBAA
+// RUN: %clang_cc1 -fmath-errno -O3 -new-struct-path-tbaa -emit-llvm -o - -x
c++ %s | FileCheck %s -check-prefixes=CHECK,NewStructPathTBAA
+
+extern "C" float expf(float);
+
+// Emit int TBAA metadata on FP math libcalls, which is useful for alias
analysis
+
+// CHECK-LABEL: define dso_local noundef float {{.*}}foo
+// CHECK-SAME: ptr nocapture noundef readonly [[NUM:%.*]], float noundef
[[R2INV:%.*]], i32 noundef [[N:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[NUM]],
i64 40
+// CHECK-NEXT: [[TMP0:%.*]] = load float, ptr [[ARRAYIDX]], align 4, !tbaa
[[TBAA2:![0-9]+]]
+// CHECK-NEXT: [[CALL:%.*]] = tail call float @expf(float noundef [[TMP0]])
#[[ATTR2:[0-9]+]]
+
+float foo (float num[], float r2inv, int n) {
+const float expm2 = expf(num[10]); // Emit TBAA metadata on @expf
+float tmp = expm2 * num[10];
+return tmp;
+}
+//.
+// NoNewStructPathTBAA: [[TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0}
+// NoNewStructPathTBAA: [[META3]] = !{!"float", [[META4:![0-9]+]], i64 0}
+// NoNewStructPathTBAA: [[META4]] = !{!"omnipotent char", [[META5:![0-9]+]],
i64 0}
+// NoNewStructPathTBAA: [[META5]] = !{!"Simple C++ TBAA"}
+//.
+// NewStructPathTBAA: [[TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0, i64 4}
+// NewStructPathTBAA: [[META3]] = !{[[META4:![0-9]+]], i64 4, !"float"}
+// NewStructPathTBAA: [[META4]] = !{[[META5:![0-9]+]], i64 1, !"omnipotent
char"}
+// NewStructPathTBAA: [[META5]] = !{!"Simple C++ TBAA"}
+//.
+//// NOTE: These prefixes are unused and the list is autogenerated. Do not add
tests below this line:
+// NewStructPathTBAA: {{.*}}
+// NoNewStructPathTBAA: {{.*}}
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