[clang] [llvm] [AMDGPU][Clang] Allow amdgpu-waves-per-eu attribute to lower target occupancy range (PR #138284)

[Lucas Ramirez via cfe-commits]

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@@ -279,7 +268,7 @@ define amdgpu_kernel void @kernel_3_6() #12 {
 ; 3,6 -> 6,9
 define internal void @refine_upper_func_3_6() #13 {
 ; CHECK-LABEL: define internal void @refine_upper_func_3_6
-; CHECK-SAME: () #[[ATTR9]] {
+; CHECK-SAME: () #[[ATTR14:[0-9]+]] {
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lucas-rami wrote:

This is the last "real" change in the file. The waves/EU range for this function goes from [4,10] to [3,6]. All attribute changes below are just renames.

https://github.com/llvm/llvm-project/pull/138284