[openmp][runtime] Silence warnings

aganea · aganea · commit 20baa9a9eccd · 2024-08-11T19:01:12.000-04:00
This fixes several of those when building with MSVC on Windows:
```
[3625/7617] Building CXX object
projects\openmp\runtime\src\CMakeFiles\omp.dir\kmp_affinity.cpp.obj
C:\src\git\llvm-project\openmp\runtime\src\kmp_affinity.cpp(2637):
warning C4062: enumerator 'KMP_HW_UNKNOWN' in switch of enum 'kmp_hw_t'
is not handled
C:\src\git\llvm-project\openmp\runtime\src\kmp.h(628): note: see
declaration of 'kmp_hw_t'
```
diff --git a/openmp/runtime/src/kmp_affinity.cpp b/openmp/runtime/src/kmp_affinity.cpp
@@ -2634,8 +2634,9 @@ static int __kmp_topology_type_2_intel_type(kmp_hw_t type) {
     return INTEL_LEVEL_TYPE_MODULE;
   case KMP_HW_DIE:
     return INTEL_LEVEL_TYPE_DIE;
+  default:
+    return INTEL_LEVEL_TYPE_INVALID;
   }
-  return INTEL_LEVEL_TYPE_INVALID;
 }
 
 struct cpuid_level_info_t {

Original file line number	Diff line number	Diff line change
`@@ -2634,8 +2634,9 @@ static int __kmp_topology_type_2_intel_type(kmp_hw_t type) {`
`2634`	`2634`	`return INTEL_LEVEL_TYPE_MODULE;`
`2635`	`2635`	`case KMP_HW_DIE:`
`2636`	`2636`	`return INTEL_LEVEL_TYPE_DIE;`
	`2637`	`+ default:`
	`2638`	`+ return INTEL_LEVEL_TYPE_INVALID;`
`2637`	`2639`	`}`
`2638`		`- return INTEL_LEVEL_TYPE_INVALID;`
`2639`	`2640`	`}`
`2640`	`2641`
`2641`	`2642`	`struct cpuid_level_info_t {`