[llvm] MSP430: Add test for llvm.sincos intrinsic (PR #148602)

[Matt Arsenault via llvm-commits]

================
@@ -0,0 +1,608 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -mtriple=msp430-unknown-unknown < %s | FileCheck %s
+; RUN: llc -mtriple=msp430-unknown-linux < %s | FileCheck %s
+; RUN: llc -mtriple=msp430-unknown-linux-gnu < %s | FileCheck -check-prefix=GNU %s
----------------
arsenm wrote:

I'm reverse engineering the current mess of an opt-out of libcall system. These currently have a environment driven behavior so these do have different results 

https://github.com/llvm/llvm-project/pull/148602