1; RUN: opt -S -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -amdgpu-promote-alloca < %s | FileCheck %s 2 3; This normally would be fixed by instcombine to be compare to the GEP 4; indices 5 6; CHECK-LABEL: @lds_promoted_alloca_icmp_same_derived_pointer( 7; CHECK: [[ARRAYGEP:%[0-9]+]] = getelementptr inbounds [256 x [16 x i32]], [256 x [16 x i32]] addrspace(3)* @lds_promoted_alloca_icmp_same_derived_pointer.alloca, i32 0, i32 %{{[0-9]+}} 8; CHECK: %ptr0 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* [[ARRAYGEP]], i32 0, i32 %a 9; CHECK: %ptr1 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* [[ARRAYGEP]], i32 0, i32 %b 10; CHECK: %cmp = icmp eq i32 addrspace(3)* %ptr0, %ptr1 11define void @lds_promoted_alloca_icmp_same_derived_pointer(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 { 12 %alloca = alloca [16 x i32], align 4 13 %ptr0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a 14 %ptr1 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %b 15 %cmp = icmp eq i32* %ptr0, %ptr1 16 %zext = zext i1 %cmp to i32 17 store volatile i32 %zext, i32 addrspace(1)* %out 18 ret void 19} 20 21; CHECK-LABEL: @lds_promoted_alloca_icmp_null_rhs( 22; CHECK: [[ARRAYGEP:%[0-9]+]] = getelementptr inbounds [256 x [16 x i32]], [256 x [16 x i32]] addrspace(3)* @lds_promoted_alloca_icmp_null_rhs.alloca, i32 0, i32 %{{[0-9]+}} 23; CHECK: %ptr0 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* [[ARRAYGEP]], i32 0, i32 %a 24; CHECK: %cmp = icmp eq i32 addrspace(3)* %ptr0, null 25define void @lds_promoted_alloca_icmp_null_rhs(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 { 26 %alloca = alloca [16 x i32], align 4 27 %ptr0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a 28 %cmp = icmp eq i32* %ptr0, null 29 %zext = zext i1 %cmp to i32 30 store volatile i32 %zext, i32 addrspace(1)* %out 31 ret void 32} 33 34; CHECK-LABEL: @lds_promoted_alloca_icmp_null_lhs( 35; CHECK: [[ARRAYGEP:%[0-9]+]] = getelementptr inbounds [256 x [16 x i32]], [256 x [16 x i32]] addrspace(3)* @lds_promoted_alloca_icmp_null_lhs.alloca, i32 0, i32 %{{[0-9]+}} 36; CHECK: %ptr0 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(3)* [[ARRAYGEP]], i32 0, i32 %a 37; CHECK: %cmp = icmp eq i32 addrspace(3)* null, %ptr0 38define void @lds_promoted_alloca_icmp_null_lhs(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 { 39 %alloca = alloca [16 x i32], align 4 40 %ptr0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a 41 %cmp = icmp eq i32* null, %ptr0 42 %zext = zext i1 %cmp to i32 43 store volatile i32 %zext, i32 addrspace(1)* %out 44 ret void 45} 46 47; CHECK-LABEL: @lds_promoted_alloca_icmp_unknown_ptr( 48; CHECK: %alloca = alloca [16 x i32], align 4 49; CHECK: %ptr0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a 50; CHECK: %ptr1 = call i32* @get_unknown_pointer() 51; CHECK: %cmp = icmp eq i32* %ptr0, %ptr1 52define void @lds_promoted_alloca_icmp_unknown_ptr(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 { 53 %alloca = alloca [16 x i32], align 4 54 %ptr0 = getelementptr inbounds [16 x i32], [16 x i32]* %alloca, i32 0, i32 %a 55 %ptr1 = call i32* @get_unknown_pointer() 56 %cmp = icmp eq i32* %ptr0, %ptr1 57 %zext = zext i1 %cmp to i32 58 store volatile i32 %zext, i32 addrspace(1)* %out 59 ret void 60} 61 62declare i32* @get_unknown_pointer() #0 63 64attributes #0 = { nounwind "amdgpu-max-waves-per-eu"="1" } 65