[llvm] [Attributor] Skip AS specialization for volatile memory instructions (PR #107250)

[Matt Arsenault via llvm-commits]

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@@ -476,33 +478,23 @@ define amdgpu_kernel void @use_flat_to_private_addrspacecast(ptr %ptr) #1 {
 
 ; No-op addrspacecast should not use queue ptr
 define amdgpu_kernel void @use_global_to_flat_addrspacecast(ptr addrspace(1) %ptr) #1 {
-; AKF_HSA-LABEL: define {{[^@]+}}@use_global_to_flat_addrspacecast
-; AKF_HSA-SAME: (ptr addrspace(1) [[PTR:%.*]]) #[[ATTR1]] {
-; AKF_HSA-NEXT:    [[STOF:%.*]] = addrspacecast ptr addrspace(1) [[PTR]] to ptr
-; AKF_HSA-NEXT:    store volatile i32 0, ptr [[STOF]], align 4
-; AKF_HSA-NEXT:    ret void
-;
-; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@use_global_to_flat_addrspacecast
-; ATTRIBUTOR_HSA-SAME: (ptr addrspace(1) [[PTR:%.*]]) #[[ATTR1]] {
-; ATTRIBUTOR_HSA-NEXT:    store volatile i32 0, ptr addrspace(1) [[PTR]], align 4
-; ATTRIBUTOR_HSA-NEXT:    ret void
+; HSA-LABEL: define {{[^@]+}}@use_global_to_flat_addrspacecast
+; HSA-SAME: (ptr addrspace(1) [[PTR:%.*]]) #[[ATTR1]] {
+; HSA-NEXT:    [[STOF:%.*]] = addrspacecast ptr addrspace(1) [[PTR]] to ptr
+; HSA-NEXT:    store volatile i32 0, ptr [[STOF]], align 4
+; HSA-NEXT:    ret void
 ;
   %stof = addrspacecast ptr addrspace(1) %ptr to ptr
   store volatile i32 0, ptr %stof
   ret void
 }
 
 define amdgpu_kernel void @use_constant_to_flat_addrspacecast(ptr addrspace(4) %ptr) #1 {
-; AKF_HSA-LABEL: define {{[^@]+}}@use_constant_to_flat_addrspacecast
-; AKF_HSA-SAME: (ptr addrspace(4) [[PTR:%.*]]) #[[ATTR1]] {
-; AKF_HSA-NEXT:    [[STOF:%.*]] = addrspacecast ptr addrspace(4) [[PTR]] to ptr
-; AKF_HSA-NEXT:    [[LD:%.*]] = load volatile i32, ptr [[STOF]], align 4
-; AKF_HSA-NEXT:    ret void
-;
-; ATTRIBUTOR_HSA-LABEL: define {{[^@]+}}@use_constant_to_flat_addrspacecast
-; ATTRIBUTOR_HSA-SAME: (ptr addrspace(4) [[PTR:%.*]]) #[[ATTR1]] {
-; ATTRIBUTOR_HSA-NEXT:    [[LD:%.*]] = load volatile i32, ptr addrspace(4) [[PTR]], align 4
-; ATTRIBUTOR_HSA-NEXT:    ret void
+; HSA-LABEL: define {{[^@]+}}@use_constant_to_flat_addrspacecast
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arsenm wrote:

This is unbreaking this test 

https://github.com/llvm/llvm-project/pull/107250