186 lines
7.6 KiB
LLVM
186 lines
7.6 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=infer-address-spaces %s | FileCheck %s
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; Trivial optimization of generic addressing
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; CHECK-LABEL: @load_global_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
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; CHECK-NEXT: %tmp1 = load float, ptr addrspace(1) %tmp0
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; CHECK-NEXT: ret float %tmp1
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define float @load_global_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
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%tmp1 = load float, ptr addrspace(1) %tmp0
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ret float %tmp1
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}
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; CHECK-LABEL: @load_constant_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(4)
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; CHECK-NEXT: %tmp1 = load float, ptr addrspace(4) %tmp0
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; CHECK-NEXT: ret float %tmp1
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define float @load_constant_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(4)
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%tmp1 = load float, ptr addrspace(4) %tmp0
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ret float %tmp1
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}
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; CHECK-LABEL: @load_group_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
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; CHECK-NEXT: %tmp1 = load float, ptr addrspace(3) %tmp0
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; CHECK-NEXT: ret float %tmp1
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define float @load_group_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
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%tmp1 = load float, ptr addrspace(3) %tmp0
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ret float %tmp1
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}
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; CHECK-LABEL: @load_private_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
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; CHECK-NEXT: %tmp1 = load float, ptr addrspace(5) %tmp0
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; CHECK-NEXT: ret float %tmp1
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define float @load_private_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
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%tmp1 = load float, ptr addrspace(5) %tmp0
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ret float %tmp1
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}
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; CHECK-LABEL: @store_global_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
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; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(1) %tmp0
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define amdgpu_kernel void @store_global_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(1)
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store float 0.0, ptr addrspace(1) %tmp0
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ret void
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}
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; CHECK-LABEL: @store_group_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
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; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(3) %tmp0
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define amdgpu_kernel void @store_group_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(3)
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store float 0.0, ptr addrspace(3) %tmp0
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ret void
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}
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; CHECK-LABEL: @store_private_from_flat(
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; CHECK-NEXT: %tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
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; CHECK-NEXT: store float 0.000000e+00, ptr addrspace(5) %tmp0
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define amdgpu_kernel void @store_private_from_flat(ptr %generic_scalar) #0 {
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%tmp0 = addrspacecast ptr %generic_scalar to ptr addrspace(5)
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store float 0.0, ptr addrspace(5) %tmp0
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ret void
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}
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; optimized to global load/store.
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; CHECK-LABEL: @load_store_global(
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; CHECK-NEXT: %val = load i32, ptr addrspace(1) %input, align 4
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; CHECK-NEXT: store i32 %val, ptr addrspace(1) %output, align 4
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; CHECK-NEXT: ret void
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define amdgpu_kernel void @load_store_global(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
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%tmp0 = addrspacecast ptr addrspace(1) %input to ptr
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%tmp1 = addrspacecast ptr addrspace(1) %output to ptr
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%val = load i32, ptr %tmp0, align 4
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store i32 %val, ptr %tmp1, align 4
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ret void
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}
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; Optimized to group load/store.
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; CHECK-LABEL: @load_store_group(
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; CHECK-NEXT: %val = load i32, ptr addrspace(3) %input, align 4
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; CHECK-NEXT: store i32 %val, ptr addrspace(3) %output, align 4
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; CHECK-NEXT: ret void
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define amdgpu_kernel void @load_store_group(ptr addrspace(3) nocapture %input, ptr addrspace(3) nocapture %output) #0 {
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%tmp0 = addrspacecast ptr addrspace(3) %input to ptr
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%tmp1 = addrspacecast ptr addrspace(3) %output to ptr
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%val = load i32, ptr %tmp0, align 4
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store i32 %val, ptr %tmp1, align 4
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ret void
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}
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; Optimized to private load/store.
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; CHECK-LABEL: @load_store_private(
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; CHECK-NEXT: %val = load i32, ptr addrspace(5) %input, align 4
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; CHECK-NEXT: store i32 %val, ptr addrspace(5) %output, align 4
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; CHECK-NEXT: ret void
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define amdgpu_kernel void @load_store_private(ptr addrspace(5) nocapture %input, ptr addrspace(5) nocapture %output) #0 {
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%tmp0 = addrspacecast ptr addrspace(5) %input to ptr
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%tmp1 = addrspacecast ptr addrspace(5) %output to ptr
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%val = load i32, ptr %tmp0, align 4
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store i32 %val, ptr %tmp1, align 4
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ret void
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}
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; No optimization. flat load/store.
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; CHECK-LABEL: @load_store_flat(
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; CHECK-NEXT: %val = load i32, ptr %input, align 4
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; CHECK-NEXT: store i32 %val, ptr %output, align 4
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; CHECK-NEXT: ret void
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define amdgpu_kernel void @load_store_flat(ptr nocapture %input, ptr nocapture %output) #0 {
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%val = load i32, ptr %input, align 4
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store i32 %val, ptr %output, align 4
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ret void
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}
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; CHECK-LABEL: @store_addrspacecast_ptr_value(
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; CHECK: %cast = addrspacecast ptr addrspace(1) %input to ptr
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; CHECK-NEXT: store ptr %cast, ptr addrspace(1) %output, align 4
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define amdgpu_kernel void @store_addrspacecast_ptr_value(ptr addrspace(1) nocapture %input, ptr addrspace(1) nocapture %output) #0 {
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%cast = addrspacecast ptr addrspace(1) %input to ptr
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store ptr %cast, ptr addrspace(1) %output, align 4
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ret void
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}
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; CHECK-LABEL: @atomicrmw_add_global_to_flat(
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; CHECK-NEXT: %ret = atomicrmw add ptr addrspace(1) %global.ptr, i32 %y seq_cst
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define i32 @atomicrmw_add_global_to_flat(ptr addrspace(1) %global.ptr, i32 %y) #0 {
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%cast = addrspacecast ptr addrspace(1) %global.ptr to ptr
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%ret = atomicrmw add ptr %cast, i32 %y seq_cst
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ret i32 %ret
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}
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; CHECK-LABEL: @atomicrmw_add_group_to_flat(
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; CHECK-NEXT: %ret = atomicrmw add ptr addrspace(3) %group.ptr, i32 %y seq_cst
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define i32 @atomicrmw_add_group_to_flat(ptr addrspace(3) %group.ptr, i32 %y) #0 {
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%cast = addrspacecast ptr addrspace(3) %group.ptr to ptr
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%ret = atomicrmw add ptr %cast, i32 %y seq_cst
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ret i32 %ret
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}
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; CHECK-LABEL: @cmpxchg_global_to_flat(
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; CHECK: %ret = cmpxchg ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val seq_cst monotonic
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define { i32, i1 } @cmpxchg_global_to_flat(ptr addrspace(1) %global.ptr, i32 %cmp, i32 %val) #0 {
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%cast = addrspacecast ptr addrspace(1) %global.ptr to ptr
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%ret = cmpxchg ptr %cast, i32 %cmp, i32 %val seq_cst monotonic
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ret { i32, i1 } %ret
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}
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; CHECK-LABEL: @cmpxchg_group_to_flat(
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; CHECK: %ret = cmpxchg ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val seq_cst monotonic
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define { i32, i1 } @cmpxchg_group_to_flat(ptr addrspace(3) %group.ptr, i32 %cmp, i32 %val) #0 {
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%cast = addrspacecast ptr addrspace(3) %group.ptr to ptr
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%ret = cmpxchg ptr %cast, i32 %cmp, i32 %val seq_cst monotonic
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ret { i32, i1 } %ret
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}
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; Not pointer operand
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; CHECK-LABEL: @cmpxchg_group_to_flat_wrong_operand(
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; CHECK: %cast.cmp = addrspacecast ptr addrspace(3) %cmp.ptr to ptr
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; CHECK: %ret = cmpxchg ptr addrspace(3) %cas.ptr, ptr %cast.cmp, ptr %val seq_cst monotonic
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define { ptr, i1 } @cmpxchg_group_to_flat_wrong_operand(ptr addrspace(3) %cas.ptr, ptr addrspace(3) %cmp.ptr, ptr %val) #0 {
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%cast.cmp = addrspacecast ptr addrspace(3) %cmp.ptr to ptr
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%ret = cmpxchg ptr addrspace(3) %cas.ptr, ptr %cast.cmp, ptr %val seq_cst monotonic
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ret { ptr, i1 } %ret
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}
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; Null pointer in local addr space
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; CHECK-LABEL: @local_nullptr
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; CHECK: icmp ne ptr addrspace(3) %a, addrspacecast (ptr addrspace(5) null to ptr addrspace(3))
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; CHECK-NOT: ptr addrspace(3) null
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define void @local_nullptr(ptr addrspace(1) nocapture %results, ptr addrspace(3) %a) {
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entry:
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%tobool = icmp ne ptr addrspace(3) %a, addrspacecast (ptr addrspace(5) null to ptr addrspace(3))
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%conv = zext i1 %tobool to i32
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store i32 %conv, ptr addrspace(1) %results, align 4
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ret void
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}
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attributes #0 = { nounwind }
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