1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s 2 3 ; This test checks that uses and defs of the AR register happen in the same 4 ; instruction clause. 5 6 ; CHECK: @mova_same_clause 7 ; CHECK: MOVA_INT 8 ; CHECK-NOT: ALU clause 9 ; CHECK: 0 + AR.x 10 ; CHECK: MOVA_INT 11 ; CHECK-NOT: ALU clause 12 ; CHECK: 0 + AR.x 13 14 define void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) { 15 entry: 16 %stack = alloca [5 x i32], align 4 17 %0 = load i32 addrspace(1)* %in, align 4 18 %arrayidx1 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %0 19 store i32 4, i32* %arrayidx1, align 4 20 %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %in, i32 1 21 %1 = load i32 addrspace(1)* %arrayidx2, align 4 22 %arrayidx3 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 %1 23 store i32 5, i32* %arrayidx3, align 4 24 %arrayidx10 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 0 25 %2 = load i32* %arrayidx10, align 4 26 store i32 %2, i32 addrspace(1)* %out, align 4 27 %arrayidx12 = getelementptr inbounds [5 x i32]* %stack, i32 0, i32 1 28 %3 = load i32* %arrayidx12 29 %arrayidx13 = getelementptr inbounds i32 addrspace(1)* %out, i32 1 30 store i32 %3, i32 addrspace(1)* %arrayidx13 31 ret void 32 } 33 34 ; This test checks that the stack offset is calculated correctly for structs. 35 ; All register loads/stores should be optimized away, so there shouldn't be 36 ; any MOVA instructions. 37 ; 38 ; XXX: This generated code has unnecessary MOVs, we should be able to optimize 39 ; this. 40 41 ; CHECK: @multiple_structs 42 ; CHECK-NOT: MOVA_INT 43 44 %struct.point = type { i32, i32 } 45 46 define void @multiple_structs(i32 addrspace(1)* %out) { 47 entry: 48 %a = alloca %struct.point 49 %b = alloca %struct.point 50 %a.x.ptr = getelementptr %struct.point* %a, i32 0, i32 0 51 %a.y.ptr = getelementptr %struct.point* %a, i32 0, i32 1 52 %b.x.ptr = getelementptr %struct.point* %b, i32 0, i32 0 53 %b.y.ptr = getelementptr %struct.point* %b, i32 0, i32 1 54 store i32 0, i32* %a.x.ptr 55 store i32 1, i32* %a.y.ptr 56 store i32 2, i32* %b.x.ptr 57 store i32 3, i32* %b.y.ptr 58 %a.indirect.ptr = getelementptr %struct.point* %a, i32 0, i32 0 59 %b.indirect.ptr = getelementptr %struct.point* %b, i32 0, i32 0 60 %a.indirect = load i32* %a.indirect.ptr 61 %b.indirect = load i32* %b.indirect.ptr 62 %0 = add i32 %a.indirect, %b.indirect 63 store i32 %0, i32 addrspace(1)* %out 64 ret void 65 } 66
