[llvm] [X86][GlobalISel] Enable Trigonometric functions with libcall mapping (PR #126931)

[Matt Arsenault via llvm-commits]

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@@ -1,63 +1,225 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
-; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
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arsenm wrote:

Most of the diff here is expanding the checks from x86_64 to also include i686, for both selectors. Better to precommit the additional target before adding the gisel runs 

https://github.com/llvm/llvm-project/pull/126931