[llvm] [X86][GlobalIsel] support G_FABS for f80 (PR #136718)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,20 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
+; RUN: llc < %s -mtriple=x86_64-linux -mattr=+x87,-sse,-sse2 | FileCheck %s -check-prefixes=X64
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arsenm wrote:

use explicit -global-isel=0 for dag run lines. don't need -verify-machineinstrs 

https://github.com/llvm/llvm-project/pull/136718