[llvm] [AArch64][TTI] Fix extract cost for scalar fmul users (PR #212739)

[Sushant Gokhale via llvm-commits]

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@@ -1,37 +1,65 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux < %s | FileCheck %s %}
-; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=aarch64-unknown-linux < %s | FileCheck %s %}
+; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux < %s | FileCheck %s --check-prefix=X86 %}
+; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=aarch64-unknown-linux < %s | FileCheck %s --check-prefix=AARCH64 %}
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sushgokh wrote:

use `-check-prefixes=CHECK,X86-64` for X86 line
use `-check-prefixes=CHECK,AARCH64` for AArch64 line

This will help merge the output if its same

https://github.com/llvm/llvm-project/pull/212739