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; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
; Test that pure GetElementPtr instructions not directly connected to
; a memory operation are inferred.
@lds = internal unnamed_addr addrspace(3) global [648 x double] undef, align 8
; CHECK-LABEL: @simplified_constexpr_gep_addrspacecast(
; CHECK: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep0, align 8
define void @simplified_constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
%gep0 = getelementptr inbounds double, double addrspace(4)* addrspacecast (double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384) to double addrspace(4)*), i64 %idx0
%asc = addrspacecast double addrspace(4)* %gep0 to double addrspace(3)*
store double 1.000000e+00, double addrspace(3)* %asc, align 8
ret void
}
; FIXME: Should be able to eliminate inner constantexpr addrspacecast.
; CHECK-LABEL: @constexpr_gep_addrspacecast(
; CHECK: %gep0 = getelementptr inbounds double, double addrspace(3)* addrspacecast (double addrspace(4)* getelementptr ([648 x double], [648 x double] addrspace(4)* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double] addrspace(4)*), i64 0, i64 384) to double addrspace(3)*), i64 %idx0
; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep0, align 8
define void @constexpr_gep_addrspacecast(i64 %idx0, i64 %idx1) {
%gep0 = getelementptr inbounds double, double addrspace(4)* getelementptr ([648 x double], [648 x double] addrspace(4)* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double] addrspace(4)*), i64 0, i64 384), i64 %idx0
%asc = addrspacecast double addrspace(4)* %gep0 to double addrspace(3)*
store double 1.0, double addrspace(3)* %asc, align 8
ret void
}
; CHECK-LABEL: @constexpr_gep_gep_addrspacecast(
; CHECK: %gep0 = getelementptr inbounds double, double addrspace(3)* getelementptr inbounds ([648 x double], [648 x double] addrspace(3)* @lds, i64 0, i64 384), i64 %idx0
; CHECK-NEXT: %gep1 = getelementptr inbounds double, double addrspace(3)* %gep0, i64 %idx1
; CHECK-NEXT: store double 1.000000e+00, double addrspace(3)* %gep1, align 8
define void @constexpr_gep_gep_addrspacecast(i64 %idx0, i64 %idx1) {
%gep0 = getelementptr inbounds double, double addrspace(4)* getelementptr ([648 x double], [648 x double] addrspace(4)* addrspacecast ([648 x double] addrspace(3)* @lds to [648 x double] addrspace(4)*), i64 0, i64 384), i64 %idx0
%gep1 = getelementptr inbounds double, double addrspace(4)* %gep0, i64 %idx1
%asc = addrspacecast double addrspace(4)* %gep1 to double addrspace(3)*
store double 1.0, double addrspace(3)* %asc, align 8
ret void
}
; Don't crash
; CHECK-LABEL: @vector_gep(
; CHECK: %cast = addrspacecast <4 x [1024 x i32] addrspace(3)*> %array to <4 x [1024 x i32] addrspace(4)*>
define amdgpu_kernel void @vector_gep(<4 x [1024 x i32] addrspace(3)*> %array) nounwind {
%cast = addrspacecast <4 x [1024 x i32] addrspace(3)*> %array to <4 x [1024 x i32] addrspace(4)*>
%p = getelementptr [1024 x i32], <4 x [1024 x i32] addrspace(4)*> %cast, <4 x i16> zeroinitializer, <4 x i16> <i16 16, i16 16, i16 16, i16 16>
%p0 = extractelement <4 x i32 addrspace(4)*> %p, i32 0
%p1 = extractelement <4 x i32 addrspace(4)*> %p, i32 1
%p2 = extractelement <4 x i32 addrspace(4)*> %p, i32 2
%p3 = extractelement <4 x i32 addrspace(4)*> %p, i32 3
store i32 99, i32 addrspace(4)* %p0
store i32 99, i32 addrspace(4)* %p1
store i32 99, i32 addrspace(4)* %p2
store i32 99, i32 addrspace(4)* %p3
ret void
}
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