[llvm] [AMDGPU] Add test for readfirstlane with i1 type (PR #109657)

[Piotr Sobczak via llvm-commits]

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@@ -2,11 +2,65 @@
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=CHECK-SDAG -enable-var-scope %s
 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs -global-isel < %s | FileCheck -check-prefix=CHECK-GISEL -enable-var-scope %s
 
-declare i32 @llvm.amdgcn.readfirstlane(i32) #0
-declare i64 @llvm.amdgcn.readfirstlane.i64(i64) #0
-declare double @llvm.amdgcn.readfirstlane.f64(double) #0
+define void @test_readfirstlane_i1(ptr addrspace(1) %out, i1 %src) {
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piotrAMD wrote:

Added more tests.

https://github.com/llvm/llvm-project/pull/109657