[clang] Don't emit int TBAA metadata on more complex FP math libcalls. (PR #107598)

[Matt Arsenault via cfe-commits]

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@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 %s -O3  -fmath-errno -emit-llvm -triple x86_64-unknown-unknown -o - %s | FileCheck %s -check-prefixes=CHECK
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple x86_64-pc-win64 -o - %s | FileCheck %s -check-prefixes=CHECK
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple i686-unknown-unknown -o - %s | FileCheck %s -check-prefixes=CHECK
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple powerpc-unknown-unknown -o - %s | FileCheck %s -check-prefixes=CHECK-PPC
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple armv7-none-linux-gnueabi -o - %s | FileCheck %s -check-prefixes=CHECK-TBAA,TBAA
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple armv7-none-linux-gnueabihf -o - %s | FileCheck %s -check-prefixes=CHECK-ARM,TBAA
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple thumbv7k-apple-watchos2.0 -o - -target-abi aapcs16 %s | FileCheck %s -check-prefixes=CHECK-THUMB,TBAA
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple aarch64-unknown-unknown -o - %s | FileCheck %s -check-prefixes=CHECK-AARCH,TBAA
+// RUN: %clang_cc1 %s -O3 -fmath-errno -emit-llvm -triple spir -o - %s | FileCheck %s -check-prefixes=CHECK-SPIR
+
+_Complex long double foo() {
+  _Complex long double cld;
+  long double v2 = __builtin_cargl(cld);
+  _Complex long double tmp = v2 * cld;
+  return tmp;
+}
+// CHECK: tail call x86_fp80 @cargl(ptr noundef nonnull byval({ {{.*}}, {{.*}} })
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arsenm wrote:

Should also test a case with a complex return type, and 0 complex arguments? Is there such a builtin? 

https://github.com/llvm/llvm-project/pull/107598