[clang] [Clang] Honor '#pragma STDC FENV_ROUND' in __builtin_store_half/halff (PR #173821)

[Matt Arsenault via cfe-commits]

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@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 %s -cl-std=cl3.0 -emit-llvm -o - -triple x86_64-unknown-unknown | FileCheck %s
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arsenm wrote:

It can still matter if backend passes run, and this isn't disabling passes 

https://github.com/llvm/llvm-project/pull/173821