[llvm] [Win][X86]Fix issue where _fltused reference is incorrectly issued for vector floating point operations (PR #146792)

[Phoebe Wang via llvm-commits]

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@@ -0,0 +1,32 @@
+; The purpose of this test to verify that the fltused symbol is
+; not emitted when purely vector floating point operations are used on Windows.
+
+; RUN: llc < %s -mtriple i686-pc-win32 | FileCheck %s --check-prefix WIN32
+; RUN: llc < %s -mtriple x86_64-pc-win32 | FileCheck %s --check-prefix WIN64
+; RUN: llc < %s -O0 -mtriple i686-pc-win32 | FileCheck %s --check-prefix WIN32
+; RUN: llc < %s -O0 -mtriple x86_64-pc-win32 | FileCheck %s --check-prefix WIN64
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phoebewang wrote:

No need to test O0

https://github.com/llvm/llvm-project/pull/146792