[clang] [OpenCL] Restore addrspacecast for pipe builtins and update test (PR #112514)

[Matt Arsenault via cfe-commits]

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@@ -1,69 +1,67 @@
-// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -cl-ext=+cl_khr_subgroups -O0 -cl-std=clc++ -o - %s | FileCheck %s
-// FIXME: Add MS ABI manglings of OpenCL things and remove %itanium_abi_triple
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arsenm wrote:

It's 2 different paths that both should work, with different output so both should be tested 

https://github.com/llvm/llvm-project/pull/112514