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

[Evgenii Kudriashov via llvm-commits]

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@@ -1,8 +1,10 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc < %s -mtriple=x86_64-- -mattr=+x87,-sse2,-sse | FileCheck %s --check-prefixes=X64
 ; RUN: llc < %s -mtriple=x86_64-- -mattr=+x87,-sse2,-sse -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64
+; RUN: llc < %s -mtriple=x86_64-- -mattr=+x87,-sse2,-sse -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=X64
 ; RUN: llc < %s -mtriple=i686-- -mattr=+x87,-sse2,-sse | FileCheck %s --check-prefixes=X86
 ; RUN: llc < %s -mtriple=i686-- -mattr=+x87,-sse2,-sse -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X86
+; RUN: llc < %s -mtriple=i686-- -mattr=+x87,-sse2,-sse -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=X86
 
 define x86_fp80 @test_x86_fp80_abs(x86_fp80 %arg) {
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e-kud wrote:

Probably would be nice to see how we handle floats and double without SSE. 

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