--- /dev/null
+; RUN: opt -S --amdgpu-annotate-uniform < %s | FileCheck -check-prefix=OPT %s
+target datalayout = "A5"
+
+
+; OPT-LABEL: @amdgpu_noclobber_global(
+; OPT: %addr = getelementptr i32, i32 addrspace(1)* %in, i64 0, !amdgpu.uniform !0, !amdgpu.noclobber !0
+; OPT-NEXT: %load = load i32, i32 addrspace(1)* %addr, align 4
+define amdgpu_kernel void @amdgpu_noclobber_global( i32 addrspace(1)* %in, i32 addrspace(1)* %out) {
+entry:
+ %addr = getelementptr i32, i32 addrspace(1)* %in, i64 0
+ %load = load i32, i32 addrspace(1)* %addr, align 4
+ store i32 %load, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; OPT-LABEL: @amdgpu_noclobber_local(
+; OPT: %addr = getelementptr i32, i32 addrspace(3)* %in, i64 0, !amdgpu.uniform !0
+; OPT-NEXT: %load = load i32, i32 addrspace(3)* %addr, align 4
+define amdgpu_kernel void @amdgpu_noclobber_local( i32 addrspace(3)* %in, i32 addrspace(1)* %out) {
+entry:
+ %addr = getelementptr i32, i32 addrspace(3)* %in, i64 0
+ %load = load i32, i32 addrspace(3)* %addr, align 4
+ store i32 %load, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; OPT-LABEL: @amdgpu_noclobber_private(
+; OPT: %addr = getelementptr i32, i32 addrspace(5)* %in, i64 0, !amdgpu.uniform !0
+; OPT-NEXT: %load = load i32, i32 addrspace(5)* %addr, align 4
+define amdgpu_kernel void @amdgpu_noclobber_private( i32 addrspace(5)* %in, i32 addrspace(1)* %out) {
+entry:
+ %addr = getelementptr i32, i32 addrspace(5)* %in, i64 0
+ %load = load i32, i32 addrspace(5)* %addr, align 4
+ store i32 %load, i32 addrspace(1)* %out, align 4
+ ret void
+}
+
+; OPT-LABEL: @amdgpu_noclobber_flat(
+; OPT: %addr = getelementptr i32, i32 addrspace(4)* %in, i64 0, !amdgpu.uniform !0
+; OPT-NEXT: %load = load i32, i32 addrspace(4)* %addr, align 4
+define amdgpu_kernel void @amdgpu_noclobber_flat( i32 addrspace(4)* %in, i32 addrspace(1)* %out) {
+entry:
+ %addr = getelementptr i32, i32 addrspace(4)* %in, i64 0
+ %load = load i32, i32 addrspace(4)* %addr, align 4
+ store i32 %load, i32 addrspace(1)* %out, align 4
+ ret void
+}
; "load vaddr" depends on the store, so we should not mark vaddr as amdgpu.noclobber.
; OPT-LABEL: @store_clobbers_load(
-; OPT: %vaddr = bitcast [4 x i32] addrspace(5)* %alloca to <4 x i32> addrspace(5)*, !amdgpu.uniform !0
-; OPT-NEXT: %zero = load <4 x i32>, <4 x i32> addrspace(5)* %vaddr, align 16
-define amdgpu_kernel void @store_clobbers_load(i32 addrspace(1)* %out, i32 %index) {
+; OPT: %vaddr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %input, i64 0, !amdgpu.uniform !0
+; OPT-NEXT: %zero = load <4 x i32>, <4 x i32> addrspace(1)* %vaddr, align 16
+define amdgpu_kernel void @store_clobbers_load( < 4 x i32> addrspace(1)* %input, i32 addrspace(1)* %out, i32 %index) {
entry:
- %alloca = alloca [4 x i32], addrspace(5)
- %addr0 = bitcast [4 x i32] addrspace(5)* %alloca to i32 addrspace(5)*
- store i32 0, i32 addrspace(5)* %addr0
- %vaddr = bitcast [4 x i32] addrspace(5)* %alloca to <4 x i32> addrspace(5)*
- %zero = load <4 x i32>, <4 x i32> addrspace(5)* %vaddr, align 16
+ %addr0 = bitcast <4 x i32> addrspace(1)* %input to i32 addrspace(1)*
+ store i32 0, i32 addrspace(1)* %addr0
+ %vaddr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %input, i64 0
+ %zero = load <4 x i32>, <4 x i32> addrspace(1)* %vaddr, align 16
%one = insertelement <4 x i32> %zero, i32 1, i32 1
%two = insertelement <4 x i32> %one, i32 2, i32 2
%three = insertelement <4 x i32> %two, i32 3, i32 3
- store <4 x i32> %three, <4 x i32> addrspace(5)* %vaddr, align 16
+ store <4 x i32> %three, <4 x i32> addrspace(1)* %input, align 16
%rslt = extractelement <4 x i32> %three, i32 %index
store i32 %rslt, i32 addrspace(1)* %out, align 4
ret void
}
+
declare i32 @llvm.amdgcn.workitem.id.x()
@lds0 = addrspace(3) global [512 x i32] undef, align 4