tests: adapt tests to LLVM 19 changes ...

... also fixes tests/codegen/xtensa.d

Author: liushuyu

tests/codegen/simd_alignment.d

@@ -20,7 +20,7 @@ S17237 globalStruct;
 // CHECK-LABEL: define <8 x i32> @foo(
 extern(C) int8 foo(S17237* s)
 {
-    // CHECK: %[[GEP:[0-9]]] = getelementptr {{.*}}S17237, ptr %s_arg
+    // CHECK: %[[GEP:[0-9]]] = getelementptr {{(.*S17237|inbounds i8)}}, ptr %s_arg
     // CHECK: = load <8 x i32>, ptr %[[GEP]], align 32
     return s.c;
 }

tests/codegen/vastart_vaend_gh1744.d

@@ -12,7 +12,7 @@ module mod;
 // OPT3-LABEL: define {{.*}} @{{.*}}void_three_return_paths
 void void_three_return_paths(int a, ...)
 {
-    // OPT3: call void @llvm.va_start({{.*}} %[[VA:[_0-9a-zA-Z]+]])
+    // OPT3: call void @llvm.va_start{{(\.p0)?}}({{.*}} %[[VA:[_0-9a-zA-Z]+]])
     // OPT3-NOT: return_two
     return_two();
 
@@ -24,8 +24,8 @@ void void_three_return_paths(int a, ...)
 
     // There are two control paths (normal return, exception resume) that
     // should call va_end.
-    // OPT3: call void @llvm.va_end({{.*}} %[[VA]])
-    // OPT3: call void @llvm.va_end({{.*}} %[[VA]])
+    // OPT3: call void @llvm.va_end{{(\.p0)?}}({{.*}} %[[VA]])
+    // OPT3: call void @llvm.va_end{{(\.p0)?}}({{.*}} %[[VA]])
 }
 
 // OPT3-LABEL: define {{.*}} @{{.*}}return_two

tests/codegen/xtensa.d

@@ -1,6 +1,6 @@
 // REQUIRES: target_Xtensa
 
-// RUN: %ldc -mtriple=xtensa -betterC
+// RUN: %ldc -mtriple=xtensa -betterC %s -c -of=%t.o
 
 version (Xtensa) {} else static assert(0);