[llvm-branch-commits] [CodeGen] Prevent register coalescer rematerialization based on target (PR #148430)

[Matt Arsenault via llvm-branch-commits]

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@@ -0,0 +1,174 @@
+# RUN: llc -o - -mtriple=arm64-linux-gnu -run-pass=register-coalescer -verify-coalescing %s | FileCheck %s -check-prefixes=NOTCPU-LINUX
+# RUN: llc -o - -mtriple=arm64-apple-macosx -mcpu=generic -run-pass=register-coalescer -verify-coalescing %s | FileCheck %s -check-prefixes=NOTCPU-APPLE
+# RUN: llc -o - -mtriple=arm64-apple-macosx -mcpu=apple-m1 -run-pass=register-coalescer -verify-coalescing %s | FileCheck %s -check-prefixes=CPU
+# RUN: llc -o - -mtriple=arm64-apple-macosx -mcpu=apple-m1 -mattr=-zcm-fpr64 -mattr=-zcm-fpr128 -run-pass=register-coalescer -verify-coalescing %s | FileCheck %s -check-prefixes=NOTATTR
+# RUN: llc -o - -mtriple=arm64-apple-macosx -mattr=+zcm-fpr64 -mattr=+zcm-fpr128 -run-pass=register-coalescer -verify-coalescing %s | FileCheck %s -check-prefixes=ATTR
+
+--- |
+  define void @remat_FPR128() {
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arsenm wrote:

Don't need the IR section 

https://github.com/llvm/llvm-project/pull/148430