// #target: macos-x64 module test; fn void main() { int[2][2] x; int[2][2] y; bool match = x == y; int[2][2][8] z; int[2][2][8] w; match = z == w; } /* #expect: test.ll define void @test.main() #0 { entry: %x = alloca [2 x [2 x i32]], align 16 %y = alloca [2 x [2 x i32]], align 16 %match = alloca i8, align 1 %z = alloca [8 x [2 x [2 x i32]]], align 16 %w = alloca [8 x [2 x [2 x i32]]], align 16 %cmp.idx = alloca i64, align 8 store i32 0, ptr %x, align 16 %ptradd = getelementptr inbounds i8, ptr %x, i64 4 store i32 0, ptr %ptradd, align 4 %ptradd1 = getelementptr inbounds i8, ptr %x, i64 8 store i32 0, ptr %ptradd1, align 4 %ptradd2 = getelementptr inbounds i8, ptr %ptradd1, i64 4 store i32 0, ptr %ptradd2, align 4 store i32 0, ptr %y, align 16 %ptradd3 = getelementptr inbounds i8, ptr %y, i64 4 store i32 0, ptr %ptradd3, align 4 %ptradd4 = getelementptr inbounds i8, ptr %y, i64 8 store i32 0, ptr %ptradd4, align 4 %ptradd5 = getelementptr inbounds i8, ptr %ptradd4, i64 4 store i32 0, ptr %ptradd5, align 4 %cmp = call i32 @memcmp(ptr %x, ptr %y, i64 8) %eq = icmp eq i32 %cmp, 0 br i1 %eq, label %next_check, label %exit next_check: ; preds = %entry %ptradd6 = getelementptr inbounds i8, ptr %x, i64 8 %ptradd7 = getelementptr inbounds i8, ptr %y, i64 8 %cmp8 = call i32 @memcmp(ptr %ptradd6, ptr %ptradd7, i64 8) %eq9 = icmp eq i32 %cmp8, 0 br i1 %eq9, label %match10, label %exit match10: ; preds = %next_check br label %exit exit: ; preds = %match10, %next_check, %entry %array_cmp_phi = phi i1 [ false, %entry ], [ false, %next_check ], [ true, %match10 ] %0 = zext i1 %array_cmp_phi to i8 store i8 %0, ptr %match, align 1 call void @llvm.memset.p0.i64(ptr align 16 %z, i8 0, i64 128, i1 false) call void @llvm.memset.p0.i64(ptr align 16 %w, i8 0, i64 128, i1 false) store i64 0, ptr %cmp.idx, align 8 br label %array_loop_start array_loop_start: ; preds = %array_loop_comparison, %exit %1 = load i64, ptr %cmp.idx, align 8 %ptroffset = getelementptr inbounds [16 x i8], ptr %z, i64 %1 %ptroffset11 = getelementptr inbounds [16 x i8], ptr %w, i64 %1 %cmp12 = call i32 @memcmp(ptr %ptroffset, ptr %ptroffset11, i64 8) %eq13 = icmp eq i32 %cmp12, 0 br i1 %eq13, label %next_check14, label %exit20 next_check14: ; preds = %array_loop_start %ptradd15 = getelementptr inbounds i8, ptr %ptroffset, i64 8 %ptradd16 = getelementptr inbounds i8, ptr %ptroffset11, i64 8 %cmp17 = call i32 @memcmp(ptr %ptradd15, ptr %ptradd16, i64 8) %eq18 = icmp eq i32 %cmp17, 0 br i1 %eq18, label %match19, label %exit20 match19: ; preds = %next_check14 br label %exit20 exit20: ; preds = %match19, %next_check14, %array_loop_start %array_cmp_phi21 = phi i1 [ false, %array_loop_start ], [ false, %next_check14 ], [ true, %match19 ] br i1 %array_cmp_phi21, label %array_loop_comparison, label %array_cmp_exit array_loop_comparison: ; preds = %exit20 %inc = add i64 %1, 1 store i64 %inc, ptr %cmp.idx, align 8 %lt = icmp ult i64 %inc, 8 br i1 %lt, label %array_loop_start, label %array_cmp_exit array_cmp_exit: ; preds = %array_loop_comparison, %exit20 %array_cmp_phi22 = phi i1 [ true, %array_loop_comparison ], [ false, %exit20 ] %2 = zext i1 %array_cmp_phi22 to i8 store i8 %2, ptr %match, align 1 ret void }